Change card title

dashboard/src/templates/cards/mqtt-messages.html

@@ -1,6 +1,6 @@
 <div class="card">
   <div class="card-header d-flex justify-content-between align-items-center">
-    <div><i class="bi bi-card-list me-2"></i>Received Messages</div>
+    <div><i class="bi bi-card-list me-2"></i>Received MQTT Messages</div>
     <div class="dropdown">
       <button class="btn btn-sm btn-outline-secondary dropdown-toggle" type="button" data-bs-toggle="dropdown" data-bs-auto-close="outside" aria-expanded="false">
         <i class="bi bi-filter"></i>