Started implementing sortable layers (revert here)

js/_addColor.js

@@ -1,6 +1,5 @@
 let currentPalette = [];
 
-
 /** Adds the given color to the palette
  * 
  * @param {*} newColor the colour to add

js/_layer.js

@@ -1,3 +1,8 @@
+// Making the palette list sortable
+new Sortable(document.getElementById("layers-menu"), {
+    animation: 100
+});
+
 // HTML element that contains the layer entries
 let layerList;
 // A single layer entry (used as a prototype to create the new ones)

js/pixel-editor.js

@@ -12,6 +12,7 @@
 //=include utilities/hslToRgb.js
 //=include libraries/cookies.js
 //=include _pixelEditorUtility.js
+//=include sortable.js
 
 /**init**/
 //=include _consts.js