title: How do I add jQuery plugins on my rails app
body: <p>I will use the GMAP3 Plugin for JQuery in my rails app.</p>
  
  <p>I already put the javascript file in <code>app/assets/javascripts/gmap3/gmap3.min.js</code>.</p>
  
  <p>I will use this jQuery plugin only on the welcome page.
  What files do I need to modify (and how) in order to make use the plugin?</p>