yarn or npm preinstalled in your computer
In the project directory, you can run:
Install all dependencies necessary for the proper run of the application.
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.
Launches the test runner in the interactive watch mode.
See the section about running tests for more information.