1. simple info about project in json format
2. stores info about version
3. npm init -y
4. write some test in script -> npm run test_name 
5. type -> modulejs(new)/commonjs

1. handels req and res
2. type of library
3. req like get, delete, post etc
4. res can be in json format or anything like number, true etc.
5. npm i express

1. npm run start(as change in script in package.json)
2. use nodemon -> nodemon index.js for continously running and refreshing

1. file that keep our data secret
2. npm i dotenv
3. require('dotenv').config();
5. process.env.(name)