chore(release): bump version to v0.5.0

Author: sudocarlos

start.sh

@@ -1,6 +1,6 @@
 #!/bin/ash
 trap 'shutdown' TERM INT
-TAILRELAY_VERSION=v0.4.1
+TAILRELAY_VERSION=v0.5.0
 
 # Accept a single comma‑separated list of port:target pairs
 # Each item in the list represents one socat relay

webui/cmd/webui/web/templates/index.html

@@ -186,6 +186,21 @@ <h1 class="h4 mb-1">Backup & Restore</h1>
     </div>
   </main>
 
+  <footer class="mt-5 py-4 text-center">
+    <div class="container text-muted small">
+      <ul class="list-inline mb-0">
+        <li class="list-inline-item"><a href="https://github.com/sudocarlos/tailrelay" target="_blank"
+            class="text-decoration-none text-muted hover-primary">Contribute</a></li>
+        <li class="list-inline-item">&middot;</li>
+        <li class="list-inline-item"><a href="https://github.com/sudocarlos/tailrelay/issues" target="_blank"
+            class="text-decoration-none text-muted hover-primary">Feedback</a></li>
+        <li class="list-inline-item">&middot;</li>
+        <li class="list-inline-item"><a href="https://nosta.me/sudocarlos.com" target="_blank"
+            class="text-decoration-none text-muted hover-primary">Contact</a></li>
+      </ul>
+    </div>
+  </footer>
+
   <!-- Floating Action Button -->
   <div class="fab-container">
     <button id="fab-button" class="btn btn-primary fab rounded-circle shadow-lg" type="button" data-bs-toggle="dropdown"