Day-4 of the class
// blogs / posts / comments / // CRUD | mongoDB | REST // ----- |---------|------- //create | insert | POST // read | find | GET // update| update | PUT // delete| remove | DELETE
// server.verb('path', function(req, res, next){})
// curl -X GET localhost:8080/ // curl -X DELETE localhost:8080/ // curl -s -X GET localhost:8080/hello/pramod => meta info on the file.