feat(frontend): expose user/member count

frontend/src/routes/+layout.svelte

@@ -39,6 +39,7 @@
 
   <footer class="container">
     <hr />
+    <div class="d-flex flex-column flex-md-row">
       <p>
         pronouns.cc <a href="https://codeberg.org/u1f320/pronouns.cc/commit/{commit}">{version}</a>
         {#if versionMismatch}
@@ -50,5 +51,9 @@
         <a href="/page/terms">Terms of service</a> &middot;
         <a href="/page/privacy">Privacy policy</a>
       </p>
+      <p class="ms-auto">
+        Users: <strong>{data.users}</strong> &middot; Members: <strong>{data.members}</strong>
+      </p>
+    </div>
   </footer>
 </div>