add static files

static/vendor/select2/src/js/jquery.shim.js

@@ -0,0 +1,14 @@
+/* global jQuery:false, $:false */
+define(function () {
+  var _$ = jQuery || $;
+
+  if (_$ == null && console && console.error) {
+    console.error(
+      'Select2: An instance of jQuery or a jQuery-compatible library was not ' +
+      'found. Make sure that you are including jQuery before Select2 on your ' +
+      'web page.'
+    );
+  }
+
+  return _$;
+});