title: Use config and node_modules, in my sub-projects inside of my webpack npm main project
body: <p>I have a MAIN PROJECT, with mutiple sub-projects.
  I did the webpack.config.js and I install all the NPM node_modules I need (jQuery/Bootstrap/SASS/minifyiers/etc...).
  And I want to use them in my sub projects, how can I do it?</p>
  
  <p>This is my Project directory-tree example
  * I want to use that file/folder in my sub-projects</p>
  
  <pre><code>MAIN PROJECT
      -assets/
      -node_modules/ *
      -index.php
      -package.json
      -webpack.config.js *
  
      -PROJECT.1
          -assets/
          -package.json
          -index.php
      -PROJECT.2
          -assets/
          -package.json
          -index.php
      -PROJECT.3
          -assets/
          -package.json
          -index.php
  </code></pre>
  
  <p>When I try the npm run dev in the sub-projects, NPM says to me I need the node_modules.
  But I want to use the webpack configuration and the node_modules of the MAIN PROJECT</p>