Backend for mock apis to deliver data to codedrills frontend.
Open up a new terminal window. Make sure that you have nodejs and npm latest version installed
npm install
npm start
And boom your mock server will start running resolve if any errors come before this stage.
type this get query from your browser.
http://localhost:3001/submission?id=1234
And you will see a output like this.
type this get query from the browser
http://localhost:3001/scoreboard?id=1234
And you will see a output like this.

Thank You!
