Add mailto link for author name

- Add mailto link for 'Markus F.J. Busche' to elpatron@mailbox.org
- Footer now includes both repository and email links
- Maintains privacy-friendly messaging

templates/index.html

@@ -227,7 +227,7 @@
         </div>
         
         <footer class="footer">
-            Privacy friendly<a href="https://gitea.elpatron.me/elpatron/emoji-suche" target="_blank" rel="noopener noreferrer">Open Source Software</a> vibe coded in 2025 by Markus F.J. Busche. 💀 emojipedia!
+            Privacy friendly <a href="https://gitea.elpatron.me/elpatron/emoji-suche" target="_blank" rel="noopener noreferrer">Open Source Software</a> vibe coded in 2025 by <a href="mailto:elpatron@mailbox.org">Markus F.J. Busche</a>. 💀 emojipedia!
         </footer>
     </div>