<<RESOURCES USED>>
<<FOR JAVASCRIPT>>
https://developer.mozilla.org/en-US/docs/Web/JavaScript
<<FOR NODEJS>>
https://nodejs.org/en/ https://www.w3schools.com/nodejs/
<<FOR MONGODB>>
http://mongodb.github.io/node-mongodb-native/3.2/api/ https://mongodb.github.io/node-mongodb-native/markdown-docs/queries.html https://docs.mongodb.com/manual/introduction/
<<FOR NPM modules>>
<<SOCKETIO>>
https://www.npmjs.com/package/socket.io
<<EXPRESSJS>>
https://www.npmjs.com/package/express
<<NODEMAILER>>