title: How to make all in one file with webpack
body: <p>I need to create all in one file.
  The webpage im writing will be served from place where i do not have access to relative (and absolute) path.
  So I need to put js in index.html file between  tag.</p>
  
  <p>I have started from vue webpack template, modified it to so i have only two files - js and html file.
  I can automate it using sed etc, but is there a better way?</p>