@coreui/react v2 for CoreUI for React

package.json is configured with "scripts" we can use with npm run while developing the project.

Command	Description
`npm start`	start a development server for the demo app
`npm test`	run tests
`npm run test:coverage`	run tests and produce a code coverage report in `coverage/`
`npm run test:watch`	start a test server and re-run tests on every change
`npm run build`	prepare for publishing to npm
`npm run clean`	delete built resources