At point this will be a tabletennis software for organizing tournaments. Based on the rules of the bavarian TT Race Tournament. See here for more information.
Install all dependencies with yarn and start the electron app with yarn start-dev. This will start the electron app, serve the client app on localhost:8000 and offers access to the backend on localhost:4000 (which currently redirects to the client).
To start the app in production tip in yarn start. This executes the build process of the application and the client. After that electron will start.