You will need to take all .js file and put into app/assets/javascripts folder and take all .css file and put into app/assets/stylesheets folder. After you moved the following file, you need to update your application.js and application.css and reference it
Take a look at mine for example:
app/assets/javascripts/application.js
//= require jquery
//= require jquery_ujs
//= require jquery.ui.all
//= require jquery.datetimepicker
//= require bootstrap.min
//= require turbolinks
//= require jquery_nested_form
//= require_tree .
app/assets/stylesheets/application.css
/*
*= require bootstrap.min
*= require jquery.ui.all
*= require jquery.datetimepicker
*= require alert
*= require_tree .
*= require_self
*/