Timer component for React that counts down the time.
- clone or down project.
- open terminal and change into the root directory ex(react-countdown-timer/).
- run "npm install" to install all npm packages.
- to run the application in browser, run "npm start", it opens browser with url http://localhost:3000/.
Runs the app in the development mode.
Open http://localhost:3000 to view it in the browser.
Launches the test runner in the interactive watch mode.