js code: fix eslint errors

{{cookiecutter.app_name}}/.eslintrc

@@ -14,6 +14,7 @@
     "node": true
   },
   "globals": {
-    "__dirname": true
+    "__dirname": true,
+    "jQuery": true
   }
 }

{{cookiecutter.app_name}}/assets/js/main.js

@@ -5,9 +5,9 @@
  */
 
 // JavaScript modules
-require("jquery");
-require("font-awesome-webpack");
-require("bootstrap");
+require('jquery');
+require('font-awesome-webpack');
+require('bootstrap');
 
 // Your own code
 require('./plugins.js');

{{cookiecutter.app_name}}/assets/js/plugins.js

-// place any jQuery/helper plugins in here, instead of separate, slower script files.
\ No newline at end of file
+// place any jQuery/helper plugins in here, instead of separate, slower script files.

{{cookiecutter.app_name}}/assets/js/script.js

-(function($, window) {
+(function myfunc($, window) { // eslint-disable-line no-unused-vars
 
-
-
-}).call(this, jQuery, window);
+}.call(this, jQuery, window));