Adding lemmy.cat.

templates/join.html

@@ -91,6 +91,23 @@
       </footer>
     </div>
 
+    <div class="card col-6">
+      <header>
+        <div class="row">
+          <h4 class="col">lemmy.cat</h4>
+          <h4 class="col text-right"><i>30 users</i></h4>
+        </div>
+      </header>
+      <div class="is-center">
+        <img class="join-banner" src="https://lemmy.cat/pictrs/image/p63LCl9dD2.jpg?format=webp&thumbnail=3000" />
+      </div>
+      <br />
+      <p class="join-desc">A Lemmy instance for people of Catalan culture.</p>
+      <footer>
+        <a class="button primary" href="https://lemmy.cat">Join</a>
+      </footer>
+    </div>
+
   </div>
 
 </div>