* docs(shortcodes): Add example repository badge

* docs(shortcodes): Update description for 'Example Repository'

* docs(relations): link example repos in docs pages

* docs(shortcodes): Fix permanent link for convention page

* docs(shortcodes): Revert to commit 365dc24

* docs(shortcodes): Rename md:example to md:demonstration

* docs(shortcodes): Fix examples url

* docs(shortcodes): Add demo badge

* docs(shortcodes): Add badges for demo repositories

* docs(shortcodes): Replace md:demonstration with md:example

* docs(shortcodes): Replace demonstration with example

* docs(shortcodes): Replace demonstration with example

* docs(shortcodes): Build new theme

* docs(shortcodes): Build with pymdownx

A minor issue where the existing link directed to the outdated Twitter/X URL. Updated it to point to the official Twemoji repository on GitHub to ensure consistency with the corresponding links across other pages.