title: Error on running build command through npm run for reactjs project
body: <p>Getting error on running "craco build" </p>
  
  <p>Executing command:</p>
  
  <p><code>npm run dist</code></p>
  
  <p>It's the same error if I run <code>npm run build</code> from same folder.</p>
  
  <p>Commands in package.json file:</p>
  
  <pre><code>"scripts": {
      "start": "npm run storybook:start",
      "dev": "craco start",
      "build": "craco build",
      "dist": "npm run build &amp;&amp; del-cli build/*.* build/fonts",
      "test": "craco test",
      "lint": "eslint . --ext .js,.jsx --ignore-path .gitignore",
      "eject": "react-scripts eject",
  -----------------
  </code></pre>
  
  <p>Error Output</p>
  
  <pre><code>craco build
  
  'craco' is not recognized as an internal or external command,
  operable program or batch file.
  npm ERR! code ELIFECYCLE
  npm ERR! errno 1
  
  </code></pre>
  
  <p>If I check the craco version by running <code>npm info craco version</code> then I receive <code>0.0.3</code>.
  I am running node v8.0.0 and npm version is 5.0.0</p>
  
  <p>I am on node v8.0.0 because of some project specific conditions.</p>