Runs the app in development mode.
Open http://localhost:3000 to view it in the browser.
The page will automatically reload if you make changes to the code.
Runs the test watcher in an interactive mode.
By default, runs tests related to files changed since the last commit.
Runs the tests with coverage stats
Builds the app for production to the build
folder.
It correctly bundles React in production mode and optimizes the build for the best performance.
Starts a style guide dev server Open http://localhost:6060 to view it in the browser.