title: 'node-sass' is not recognized as an internal or external command, operable program or batch file
body: <p>'node-sass' is not recognized as an internal or external command,
  operable program or batch file.
  npm ERR! code ELIFECYCLE
  npm ERR! errno 1
  npm ERR! natours@1.0.0 node-sass: <code>node-sass --output-style compressed -o dist/css src/scss</code>
  npm ERR! Exit status 1
  npm ERR!
  npm ERR! Failed at the natours@1.0.0 node-sass script.
  npm ERR! This is probably not a problem with npm. There is likely additional logging output above.</p>
  
  <p>npm ERR! A complete log of this run can be found in:
  npm ERR!     C:\Users\horlah\AppData\Roaming\npm-cache_logs\2019-10-10T01_19_47_695Z-debug.log</p>