// npm is a node package manager. It is a registry or repository
// which contains many packages in it,
// a package can be a Library.
// to install a package in your current project or directory,
// type below in cmd line:
// npm install
//Note: in case you need some package to be available even
// outside your current project directory i.e. you want it
// to be available globally, then write below:
// npm install -g
//Here, we have installed a package called give-me-a-joke,
// npm install give-me-a-joke
// we have also installed a package called colors.
// npm install colors
// one more package called figlet:
// npm install figlet
// To see how we are using the 3 packages installed above,
Click here
// To see which packages are installed currently under your project,
// check in package.json file in your project directory
// To find other packages which are there in npm,
// go to: https://www.npmjs.com/