Pre-assignment for Junior Engineers program , preview
Then, open http://localhost:3000 to view it in the browser.
Launches the test runner in the interactive watch mode.
See the section about running tests for more information.
In the project directory, you can run:
Builds the app for production to the build
folder.
It correctly bundles React in production mode and optimizes the build for the best performance.
The build is minified and the filenames include the hashes.
Your app is ready to be deployed!
See the section about deployment for more information.