refactor: port over plugin loader; export module so other components can pull in

Author: sghoweri

packages/uikit-workshop/src/js/plugin-loader.js renamed to packages/uikit-workshop/src/scripts/components/plugin-loader.js

@@ -10,7 +10,7 @@
  *
  */
 
-var pluginLoader = {
+export const pluginLoader = {
   init: function() {
     var s, t, l, c, n;