title: Android Studio not showing modules in project structure
body: <p>I am using Android studio and I want to add module to my project like
  "action bar Sherlock" or jar files,
  but when I opened the project structure there is no module or library in the menu :\</p>
  
  <p><img src="https://i.stack.imgur.com/6e99U.jpg" alt=""></p>
  
  <p>In intelij it's appearing:</p>
  
  <p><img src="https://i.stack.imgur.com/g9kZL.jpg" alt="enter image description here"></p>
  
  <p>So what's the problem? How can I add these modules in Android studio?</p>