 <h1 class="mt-5">Chat (via producer)</h1>
      <textarea id="chat-message">initial message send at startup</textarea>
      <button onclick="sendMessage()">send message</button>
    </div>
  </div>
  <div class="row">
    <div class="col-lg-4 text-center">
      <h3 class="mt-5">/queue/another-queue (all messages)</h3>
      <div class="card-header" id="server-comm"></div>
    </div>
    <div class="col-lg-4 text-center">
      <h3 class="mt-5">/topic/sendto-response-queue (all messages)</h3>
      <div c