title: What's the meaning of **/ in the beginning of **/.idea in my '.gitignore'
body: <p>my .gitignore file</p>
  
  <pre><code>**/target/
  **/.settings/
  **/.classpath
  **/.project
  **/.idea/
  **/*.iml
  **/*.log
  </code></pre>
  
  <p>I dont know the meaning of the '**/' at the begining</p>