When the program is not run with any input, print a random emoji:
$ node index.js
🏕️
$ node index.js
🛕When a user enters a correct emoji name, print that emoji:
$ node index.js cry
😢
$ node index.js horse_racing
🏇When a user enters an incorrect emoji name, show an error message:
$ node index.js cryy
emoji cryy couldn't be found