Add timestamp

html/home.html

@@ -63,6 +63,11 @@
           font-size: 1.1em;
           margin: 2px 5px;
       }
+      h1 small {
+          font-size: 0.8rem;
+          margin: 0 10px;
+          color: #666;
+      }
   </style>
 </head>
 
@@ -75,6 +80,8 @@
 </div>
 <script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
 <script src="http://code.highcharts.com/highcharts.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.22.1/moment.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/moment-timezone/0.5.14/moment-timezone.min.js"></script>
 <script src="https://d3js.org/d3.v4.js"></script>
 <script>
 
@@ -150,8 +157,9 @@ function displayGraph(id, data, width, height, interpolation) {
     var addEleToDashBoard = function(item) {
         var data = item['data'];
         var xid = item['device'].replace(/:/g, '_')
+        var tmsp = moment.tz(item['timestamp'], "utc").fromNow()
         var str = `<div class="pure-u-md-1-2 dash" id="${xid}">` +
-            `<h1>${item['info']['name']}</h1>` +
+            `<h1>${item['info']['name']}<small>${tmsp}</small></h1>` +
             `<div class="dash-container">` +
             `<div class="dash-one temperature"><h2>Temp</h2><p>${data['temperature']}</p> <div class="graph" id="${xid}-temperature"></div></div>` +
             `<div class="dash-one moisture"><h2>Moisture</h2><p>${data['moisture']}</p> <div class="graph" id="${xid}-moisture"></div></div>` +