Use yarn in order to install everything.
yarn install --frozen-lockfile###Create .env file with Firebase properties
FIREBASE_API_KEY=
FIREBASE_AUTH_DOMAIN=
FIREBASE_DATABASE_URL=
FIREBASE_PROJECT_ID=
FIREBASE_APP_STORAGE_BUCKET=
FIREBASE_MESSAGING_SENDER_ID=\
Run yarn start for a dev server. Navigate to http://localhost:3000.
Run yarn test to execute the unit tests via Jest.
If you want watch mode: yarn test:watch.
yarn lint