title: Best way to create a maven artifact from existing jar
body: <p>I'm mavenizing some projects.</p>
  
  <p>These projects all depend on a number of libraries, most of them are available in the maven repo.
  For the other libraries, I'd like to create a maven artifact, so I can use it as an dependency. The problem is, I only have jar files of these libraries.</p>
  
  <p>What is the best way to create artifacts from existing jar files?</p>