Adapt repo code to handle branches too (alshedivat#1003)

Author: fm94

_includes/repository/repo.html

@@ -8,7 +8,7 @@
 
 <div class="repo p-2 text-center">
   <a href="https://github.com/{{ include.repository }}">
-    <img class="repo-img-light w-100" alt="{{ include.repository }}" src="https://github-readme-stats.vercel.app/api/pin/?username={{ repo_url.first }}&repo={{ repo_url.last }}&theme={{ site.repo_theme_light }}&show_owner={{ show_owner }}">
-    <img class="repo-img-dark w-100" alt="{{ include.repository }}" src="https://github-readme-stats.vercel.app/api/pin/?username={{ repo_url.first }}&repo={{ repo_url.last }}&theme={{ site.repo_theme_dark }}&show_owner={{ show_owner }}">
+    <img class="repo-img-light w-100" alt="{{ include.repository }}" src="https://github-readme-stats.vercel.app/api/pin/?username={{ repo_url[0] }}&repo={{ repo_url[1] }}&theme={{ site.repo_theme_light }}&show_owner={{ show_owner }}">
+    <img class="repo-img-dark w-100" alt="{{ include.repository }}" src="https://github-readme-stats.vercel.app/api/pin/?username={{ repo_url[0] }}&repo={{ repo_url[1] }}&theme={{ site.repo_theme_dark }}&show_owner={{ show_owner }}">
   </a>
 </div>