title: How to add scalax.io as dependency in SBT?
body: <p>I want to use <code>scalax.io._</code> to manipulate file operations with SBT.</p>
  
  <p>When I ran it, I got the error message showing <code>scalax is not found</code>.</p>
  
  <pre><code>&gt;sbt run
  import scalax.io._
  [error]        ^
  [error] iotest.scala:49: not found: object scalax
  </code></pre>
  
  <p>How to find the library dependency for this particular one?</p>
  
  <p>A more general question, how to obtain the library dependency information for any library?
  For example, if I need use actor in scala, I need specify a library dependency. How to find the library dependency?</p>