Merge pull request #478 from jtemporal/copilot/migrate-en-card-15-mermaid

Migrate English card 15 to Mermaid format

Author: jtemporal

assets/img/mermaid/015-en.svg

@@ -1,7 +1,17 @@
 ---
 layout: post
-title: '#015 What is a diff?'
-image: "https://res.cloudinary.com/jesstemporal/image/upload/f_auto/v1642878596/gitfichas/en/015/thumbnail_fvapdm.jpg"
+pretitle: What is a
+title: diff?
+subtitle:
+concept: true
+parts:
+  - part1: format that represents changes\nin the project
+  - part2: additions are colored in green and represented\nwith a plus (+)
+  - part3: removals are colored in red and represented\nwith a minus (-)
+number: "015"
+author: "@jtemporal"
+mermaid: true
+use_static_image: true
 permalink: "/en/015"
 translations:
 - lang: pt
@@ -17,11 +27,4 @@ nt:
   title: "#016 What is a fork?"
 ---
 
-<img alt="What is diff? Format that shows changes in the project, additions are represented by + and removals are represented by -" src="https://res.cloudinary.com/jesstemporal/image/upload/v1642878596/gitfichas/en/015/full_eipt8q.jpg"><br><br>
-
-| Command | Description |
-|---------|-------------|
-| _diff_ | Format that represents changes in the project |
-| _Additions_ | Are colored in green and represented with a plus (`+`) |
-| _removals_ |  Are colored in red and represented with a minus (`-`) |
-{: .styled-table}
+{% include mermaid-graphs.html %}