Prerequisite:
  npm install node


Lectures in youtube:
1. Basics: https://www.youtube.com/watch?v=TlB_eWDSMt4&t=182s by Programming with Mosh

2. Express REST API:

   1. Install:
           npm install express
           npm install -g nodemon  // such that you don't need to restart the node always, run it like nodemon app.js, instead of node app.js
   2. Video: https://www.youtube.com/watch?v=pKd0Rpw7O48   by Programming with Mosh
   
   It is basically exposing a CRUD operation by REST APIs (POST, GET, PUT, PATCH, DELETE) on the movies objects consists of {"id": Int, "name": String, "genre": String} datatype.
   
   Just run it as: node ./movie/src/app.js