Add source code / issues links

_includes/footer.html

@@ -6,5 +6,9 @@
         <a href="https://framagit.org">Framagit</a> and more.
         <a href="/domain/">Like what you see?</a>
         <a rel="me" href="https://mstdn.social/@ReverseEagle">Mastodon</a>
+        <hr />
+        <a href="https://framagit.org/reverseeagle/developers">Source code</a>
+        <span aria-disabled="true"> • </span>
+        <a href="https://framagit.org/reverseeagle/developers/-/issues">Issues</a>
     </p>
-</footer>
+</footer>
\ No newline at end of file