add: blocked users page

crates/app/src/public/html/communities/list.html

@@ -30,7 +30,9 @@
             </button>
         </form>
     </div>
-    {% endif %}
+
+    {% if list|length >= 4 %} {{ components::supporter_ad(body="Become a
+    supporter to create up to 10 communities!") }} {% endif %} {% endif %}
 
     <div class="card-nest w-full">
         <div class="card small flex items-center justify-between gap-2">