Installation and setup process of SASS and scss

npm init

npm install --save-dev sass

npm install bootstrap --save

npm install --save @fortawesome/fontawesome-free

npm install autoprefixer --save
npm install postcss-cli autoprefixer --save

  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },

  "scripts": {
    "compile:sass": "sass scss:assets/css"
  },

npm run compile:sass

 "scripts": {
    "compile:sass": "sass --watch scss:assets/css"
  },