Need help in Managing Packages with Npm - How to Use package.json, the Core of Any Node.js Project or npm Package

Tell us what’s happening:
Hello , I’m a bit confused. My submission was not passing , I realised that I had to setup server.js file.
Do I have to know what code the code is doing which is given in hint and is it necessary to understand this code ?

Your code so far
Link to server.js : - https://github.com/freeCodeCamp/boilerplate-npm/blob/gomix/server.js

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Challenge: How to Use package.json, the Core of Any Node.js Project or npm Package

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