添加Metronic（作为LFS）

frontend/static/assets/admin/pages/scripts/components-knob-dials.js

@@ -0,0 +1,23 @@
+var ComponentsKnobDials = function () {
+
+    return {
+        //main function to initiate the module
+        
+        init: function () {
+            //knob does not support ie8 so skip it
+            if (!jQuery().knob || Metronic.isIE8()) {
+                return;
+            }
+
+            // general knob
+            $(".knob").knob({
+                'dynamicDraw': true,
+                'thickness': 0.2,
+                'tickColorizeValues': true,
+                'skin': 'tron'
+            });  
+        }
+
+    };
+
+}();