In the project directory, you can run: for update the node_modules file
and the run blow cmd.
Note -: Inside postman collection one file contactBook.json, you need to add or import the file and test all API easily.
Runs the app in the development mode.
Open http://localhost:3000 to view it in the browser.
The page will reload if you make edits.
You will also see any lint errors in the console.