Migrate EN card 017 to Mermaid format

[Copilot]

Migrates English card #17 ("What is a clone?") from legacy image-based format to Mermaid diagrams, matching the existing Spanish migration.

Before (image-based):

title: '#017 What is a clone?'
image: "https://res.cloudinary.com/..."
---
<img src="...">
| Command | Description |

After (Mermaid concept card):

pretitle: What is a
title: clone?
concept: true
parts:
  - part1: Cloning a repository is the action of\ndownloading the repository to your computer
  - part2: It's possible to clone any repository\nas long as you have access to it
mermaid: true
use_static_image: true
---
{% include mermaid-graphs.html %}

Changes:

• Converted table content to parts array with proper line breaks
• Extracted title components into pretitle/title/subtitle structure
• Added concept card metadata (number, author, mermaid, use_static_image)
• Generated static SVG fallback (assets/img/mermaid/017-en.svg, 703KB)
• Preserved navigation links and translations
• Removed Cloudinary image URLs

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• accounts.google.com
  • Triggering command: /opt/google/chrome/chrome --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --mute-audio --crashpad-handler-pid=4131 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/puppeteer_dev_chrome_profile-2VP5Ke --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,12292622020946949733,7190985802202448482,262144 --enable-features=PdfOopif --disable-features=AcceptCHFrame,IsolateSandboxedIframes,MediaRouter,OptimizationHints,PaintHolding,ProcessPerSiteUpToMainFrameThreshold,Translate --variations-seed-version (dns block)
  • Triggering command: /opt/google/chrome/chrome --allow-pre-commit-input --disable-REDACTED-networking --disable-REDACTED-timer-throttling --disable-REDACTEDing-occluded-windows --disable-breakpad --disable-client-side-phishing-detection --disable-component-extensions-with-REDACTED-pages --disable-crash-reporter --disable-default-apps --disable-dev-shm-usage --disable-extensions --disable-hang-monitor --disable-infobars --disable-ipc-flooding-protection --disable-popup-blocking --disable-prompt-on-repost --disable-renderer-REDACTEDing --disable-search-engine-choice-screen --disable-sync --enable-automation --export-tagged-pdf --force-color-profile=srgb --generate-pdf-document-outline --metrics-recording-only --no-first-run --password-store=basic --use-mock-keychain --disable-features=Translate,AcceptCHFrame,MediaRouter,OptimizationHints,ProcessPerSiteUpToMainFrameThreshold,IsolateSandboxedIframes --enable-features=PdfOopif --headless --hide-scrollbars --mute-audio --remote-debugging-port=0 --user-data-dir=/tmp/puppeteer_dev_chrome_profile-2VP5Ke --noerrdialogs --ozone-platform=headless --ozone-override-screen-size=800,600 --use-angle=swiftshader-webgl about:blank (dns block)
  • Triggering command: /opt/google/chrome/chrome --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --mute-audio --crashpad-handler-pid=4493 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/puppeteer_dev_chrome_profile-NKL9bm --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,3497565727448715590,748374025574478936,262144 --enable-features=PdfOopif --disable-features=AcceptCHFrame,IsolateSandboxedIframes,MediaRouter,OptimizationHints,PaintHolding,ProcessPerSiteUpToMainFrameThreshold,Translate --variations-seed-version (dns block)
• clients2.google.com
  • Triggering command: /opt/google/chrome/chrome --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --mute-audio --crashpad-handler-pid=4131 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/puppeteer_dev_chrome_profile-2VP5Ke --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,12292622020946949733,7190985802202448482,262144 --enable-features=PdfOopif --disable-features=AcceptCHFrame,IsolateSandboxedIframes,MediaRouter,OptimizationHints,PaintHolding,ProcessPerSiteUpToMainFrameThreshold,Translate --variations-seed-version (dns block)
  • Triggering command: /opt/google/chrome/chrome --allow-pre-commit-input --disable-REDACTED-networking --disable-REDACTED-timer-throttling --disable-REDACTEDing-occluded-windows --disable-breakpad --disable-client-side-phishing-detection --disable-component-extensions-with-REDACTED-pages --disable-crash-reporter --disable-default-apps --disable-dev-shm-usage --disable-extensions --disable-hang-monitor --disable-infobars --disable-ipc-flooding-protection --disable-popup-blocking --disable-prompt-on-repost --disable-renderer-REDACTEDing --disable-search-engine-choice-screen --disable-sync --enable-automation --export-tagged-pdf --force-color-profile=srgb --generate-pdf-document-outline --metrics-recording-only --no-first-run --password-store=basic --use-mock-keychain --disable-features=Translate,AcceptCHFrame,MediaRouter,OptimizationHints,ProcessPerSiteUpToMainFrameThreshold,IsolateSandboxedIframes --enable-features=PdfOopif --headless --hide-scrollbars --mute-audio --remote-debugging-port=0 --user-data-dir=/tmp/puppeteer_dev_chrome_profile-2VP5Ke --noerrdialogs --ozone-platform=headless --ozone-override-screen-size=800,600 --use-angle=swiftshader-webgl about:blank (dns block)
  • Triggering command: /opt/google/chrome/chrome --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --mute-audio --crashpad-handler-pid=4493 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/puppeteer_dev_chrome_profile-NKL9bm --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,3497565727448715590,748374025574478936,262144 --enable-features=PdfOopif --disable-features=AcceptCHFrame,IsolateSandboxedIframes,MediaRouter,OptimizationHints,PaintHolding,ProcessPerSiteUpToMainFrameThreshold,Translate --variations-seed-version (dns block)
• esm.ubuntu.com
  • Triggering command: /usr/lib/apt/methods/https (dns block)
• googlechromelabs.github.io
  • Triggering command: node install.mjs (dns block)
• https://storage.googleapis.com/chrome-for-testing-public/131.0.6778.204/linux64/chrome-headless-shell-linux64.zip
  • Triggering command: node install.mjs (http block)
• https://storage.googleapis.com/chrome-for-testing-public/131.0.6778.204/linux64/chrome-linux64.zip
  • Triggering command: node install.mjs (http block)
• safebrowsingohttpgateway.googleapis.com
  • Triggering command: /opt/google/chrome/chrome --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --mute-audio --crashpad-handler-pid=4131 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/puppeteer_dev_chrome_profile-2VP5Ke --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,12292622020946949733,7190985802202448482,262144 --enable-features=PdfOopif --disable-features=AcceptCHFrame,IsolateSandboxedIframes,MediaRouter,OptimizationHints,PaintHolding,ProcessPerSiteUpToMainFrameThreshold,Translate --variations-seed-version (dns block)
  • Triggering command: /opt/google/chrome/chrome --allow-pre-commit-input --disable-REDACTED-networking --disable-REDACTED-timer-throttling --disable-REDACTEDing-occluded-windows --disable-breakpad --disable-client-side-phishing-detection --disable-component-extensions-with-REDACTED-pages --disable-crash-reporter --disable-default-apps --disable-dev-shm-usage --disable-extensions --disable-hang-monitor --disable-infobars --disable-ipc-flooding-protection --disable-popup-blocking --disable-prompt-on-repost --disable-renderer-REDACTEDing --disable-search-engine-choice-screen --disable-sync --enable-automation --export-tagged-pdf --force-color-profile=srgb --generate-pdf-document-outline --metrics-recording-only --no-first-run --password-store=basic --use-mock-keychain --disable-features=Translate,AcceptCHFrame,MediaRouter,OptimizationHints,ProcessPerSiteUpToMainFrameThreshold,IsolateSandboxedIframes --enable-features=PdfOopif --headless --hide-scrollbars --mute-audio --remote-debugging-port=0 --user-data-dir=/tmp/puppeteer_dev_chrome_profile-2VP5Ke --noerrdialogs --ozone-platform=headless --ozone-override-screen-size=800,600 --use-angle=swiftshader-webgl about:blank (dns block)
  • Triggering command: /opt/google/chrome/chrome --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --mute-audio --crashpad-handler-pid=4493 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/puppeteer_dev_chrome_profile-NKL9bm --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,3497565727448715590,748374025574478936,262144 --enable-features=PdfOopif --disable-features=AcceptCHFrame,IsolateSandboxedIframes,MediaRouter,OptimizationHints,PaintHolding,ProcessPerSiteUpToMainFrameThreshold,Translate --variations-seed-version (dns block)
• www.google.com
  • Triggering command: /opt/google/chrome/chrome --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --mute-audio --crashpad-handler-pid=4131 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/puppeteer_dev_chrome_profile-2VP5Ke --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,12292622020946949733,7190985802202448482,262144 --enable-features=PdfOopif --disable-features=AcceptCHFrame,IsolateSandboxedIframes,MediaRouter,OptimizationHints,PaintHolding,ProcessPerSiteUpToMainFrameThreshold,Translate --variations-seed-version (dns block)
  • Triggering command: /opt/google/chrome/chrome --allow-pre-commit-input --disable-REDACTED-networking --disable-REDACTED-timer-throttling --disable-REDACTEDing-occluded-windows --disable-breakpad --disable-client-side-phishing-detection --disable-component-extensions-with-REDACTED-pages --disable-crash-reporter --disable-default-apps --disable-dev-shm-usage --disable-extensions --disable-hang-monitor --disable-infobars --disable-ipc-flooding-protection --disable-popup-blocking --disable-prompt-on-repost --disable-renderer-REDACTEDing --disable-search-engine-choice-screen --disable-sync --enable-automation --export-tagged-pdf --force-color-profile=srgb --generate-pdf-document-outline --metrics-recording-only --no-first-run --password-store=basic --use-mock-keychain --disable-features=Translate,AcceptCHFrame,MediaRouter,OptimizationHints,ProcessPerSiteUpToMainFrameThreshold,IsolateSandboxedIframes --enable-features=PdfOopif --headless --hide-scrollbars --mute-audio --remote-debugging-port=0 --user-data-dir=/tmp/puppeteer_dev_chrome_profile-2VP5Ke --noerrdialogs --ozone-platform=headless --ozone-override-screen-size=800,600 --use-angle=swiftshader-webgl about:blank (dns block)
  • Triggering command: /opt/google/chrome/chrome --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --mute-audio --crashpad-handler-pid=4493 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/puppeteer_dev_chrome_profile-NKL9bm --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,3497565727448715590,748374025574478936,262144 --enable-features=PdfOopif --disable-features=AcceptCHFrame,IsolateSandboxedIframes,MediaRouter,OptimizationHints,PaintHolding,ProcessPerSiteUpToMainFrameThreshold,Translate --variations-seed-version (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Migrate en 🇺🇸 card 17 to Mermaid</issue_title>
<issue_description>Migrate current content to the the mermaid format following the examples in CONTRIBUTING.md</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Migrate en 🇺🇸 card 17 to Mermaid #147

---

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