Inject persistent top navbar (with printer switcher) into proxied Brother pages

views/layout.erb

@@ -10,27 +10,7 @@
   </head>
   <body>
     <div class="container">
-      <nav class="navbar navbar-expand-lg navbar-light bg-light">
-        <div class="container-fluid">
-          <a class="navbar-brand" href="/">Print server</a>
-          <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
-            <span class="navbar-toggler-icon"></span>
-          </button>
-          <div class="collapse navbar-collapse" id="navbarNavDropdown">
-            <ul class="navbar-nav">
-              <li class="nav-item">
-                <a class="nav-link active" aria-current="page" href="/">Home</a>
-              </li>
-              <li class="nav-item">
-                <a class="nav-link" href="/upload">Shipping labels</a>
-              </li>
-              <li class="nav-item">
-                <a class="nav-link" href="/brother">Brother printers</a>
-              </li>
-            </ul>
-          </div>
-        </div>
-      </nav>
+      <%= erb :_navbar, layout: false %>
       <div class="row">
         <% if @alert_success then %>
 	  <div class="alert alert-success"><%=@alert_success%></div>