Add support for VLAN configuration via web

html/vlan.html

@@ -28,7 +28,8 @@
       <h2>Untagged Ports</h2>
       <div id="uPorts"><button type="button" style="transform: translateY(-100%); margin: 0 50px 0 0" onclick="utClicked(false);">Select all</button> </div>
       <script src="/vlan.js"></script>
-      <br/> <input style="width:60%;" type="submit" value="Update / Create">
+      <br/> <input style="width:40%;" id="vlan_sub" onclick="vlanSub();" type="button" value="Update / Create">
+      <script src="/vlan_sub.js"></script>
     </form>
     </div>
   </body>

html/vlan.js

@@ -56,8 +56,8 @@ function fetchVLAN() {
       console.log("VLAN: ", JSON.stringify(s));
       m = parseInt(s.members, 16);
       for (let i = 1; i <= numPorts; i++) {
-        setC('t', i, (m>>(10+i-1))&1);
-        setC('u', i, (m>>(i-1))&1);
+	setC('t', i, (m>>(10+i-1))&1);
+	setC('u', i, (m>>(i-1))&1);
       }
     }
   };