Thanks for contributing. We're happy for your input and would ask you to follow this contribution guide to maintain a high quality code.
Let's get the storybook running locally
npm start
If you run it for the first time, run npm run build first. This initial build is necessary for creating new-icons proxy, after that, you may just run npm run storybook
For components testing and best practices Read here
For components test drivers and TestKits Read here