JS

1. Plugins downloads via npm, listed in file package.json.
   Plugins combines into one file assets\js\plugins.js by gulp, all files listed in file assets\js\list_plugins.js. In file assets\js\list_plugins.js you can to comment bootstrap js modules which is not used by you.
2. Custom scripts assets\js\modules combines into one file assets\js\scripts.js by gulp, all files listed in file assets\js\list_scripts.js.
3. Scripts enqueues in file inc\assets.php.