mutliple changes left from the last week.

front_end/templates/base.html

@@ -8,18 +8,25 @@
     <!-- Bootstrap CSS -->
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
 
+    <link href="/static/css/base.css" rel="stylesheet">
+
     <title>{% block title %}Robot Status UI{% endblock %}</title>
   </head>
   <body>
     <!-- NavBar -->
+    <nav class="navbar navbar-expand-lg navbar-light bg-light padded">
+        <a class="navbar-brand" href="/">am i up?</a>
+        <div class="navbar-nav">
+          <a class="nav-item nav-link" href="/">Home</a>
+          <a class="nav-item nav-link" href="/ping">Ping</a>
+          <a class="nav-item nav-link" href="/version">Software Version</a>
+        </div>
+    </nav>
 
     <!-- Content -->
     <div class="container">
 
         {% block content %}
-
-        <div>Hello World!</div>
-
         {% endblock %}
 
     </div>