appview: update footer to point to my new handle :)

appview/pages/templates/layouts/footer.html

···
 {{ define "layouts/footer" }}
 <div class="w-full p-4 bg-white dark:bg-gray-800 rounded-t">
     <div class="container mx-auto text-center text-gray-600 dark:text-gray-400 text-sm">
-        <span class="font-semibold italic">tangled</span> &mdash; made by <a href="/@oppili.bsky.social">@oppili.bsky.social</a> and <a href="/@icyphox.sh">@icyphox.sh</a>
+        <span class="font-semibold italic">tangled</span> &mdash; made by <a href="/@oppi.li">@oppi.li</a> and <a href="/@icyphox.sh">@icyphox.sh</a>
     </div>
 </div>
 {{ end }}