title: 'webpack-dev-server' is not recognized as an internal or external command,
body: <p>I cloned this Webpack Starter package through github using gitbash following a tutorial on pluralsight. I am trying to access webpack through Visual Studio Code's integrated terminal but i get the following error. I am new to this so kindly help me on this. </p>
  
  <p>I am running a command</p>
  
  <pre><code> Raza Zaidi@RazaZaidi-PC MINGW64 ~/webpack-starter (master)
  $ npm run dev
  </code></pre>
  
  <p>and then following error occurs</p>
  
  <pre><code>&gt; yet-another-webpack-es6-starterkit@1.0.0 dev C:\Users\Raza Zaidi\webpack-starter
  &gt; webpack-dev-server --open --config webpack/webpack.config.dev.js
  
  'webpack-dev-server' is not recognized as an internal or external command,
  operable program or batch file.
  npm ERR! code ELIFECYCLE
  npm ERR! errno 1
  npm ERR! yet-another-webpack-es6-starterkit@1.0.0 dev: `webpack-dev-server --open --config webpack/webpack.config.dev.js`
  npm ERR! Exit status 1
  npm ERR!
  npm ERR! Failed at the yet-another-webpack-es6-starterkit@1.0.0 dev script.
  npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
  
  npm ERR! A complete log of this run can be found in:
  npm ERR!     C:\Users\Raza Zaidi\AppData\Roaming\npm-cache\_logs\2018-08-14T20_16_29_017Z-debug.log
  </code></pre>