feat(index): update tags and footer with canonical contact info and samples link

index.html

@@ -250,6 +250,10 @@
         <span class="tag">[#wireguard]</span>
         <span class="tag">[#posix-sh]</span>
         <span class="tag">[#python]</span>
+        <span class="tag">[#golang]</span>
+        <span class="tag">[#rust]</span>
+        <span class="tag">[#proxmox]</span>
+        <span class="tag">[#truenas]</span>
       </div>
     </section>
 
@@ -257,11 +261,15 @@
 
     <!-- Piped Contact Footer -->
     <footer class="footer-links">
+      <a href="https://git.rooks.dev" target="_blank" rel="noopener" class="footer-link">Git Forge</a>
+      <span class="pipe">|</span>
       <a href="https://github.com" target="_blank" rel="noopener" class="footer-link">GitHub</a>
       <span class="pipe">|</span>
-      <a href="mailto:river@example.com" class="footer-link">Email</a>
+      <a href="mailto:river@rooks.dev" class="footer-link">river@rooks.dev</a>
       <span class="pipe">|</span>
-      <a href="#" class="footer-link">PGP Key</a>
+      <a href="#" title="Fingerprint: 0x4A8E92F1C0B3D4E7" class="footer-link">PGP Key</a>
+      <span class="pipe">|</span>
+      <a href="samples/index.html" class="footer-link">Spec Samples Catalog</a>
     </footer>
 
   </main>