modify display of weight

snippets/scales.html

@@ -95,7 +95,7 @@ Device ID: <span id="deveui"></span>
         <a class="block-link" href="/graph.html?deveui={{.Deveui}}&alias={{.Alias}}&property=w">
           <div>
             <p class="icon"><i class="fa fa-balance-scale"></i></p>
-            <p id="weight_{{.Deveui}}" class="title is-size-2 has-text-weight-bold">{{.Weight}} g</p>
+            <p id="weight_{{.Deveui}}" class="title is-size-2 has-text-weight-bold">{{.Weight_kg}} kg</p>
           </div>
         </a>
       </div>