Simple multiplayer buzzer system.

BuzzHub.App (The web App is locally hosted so might not be available all the time.)

• Prerequisites: node and a package manager (e.g. npm, yarn)
• Run yarn install to install dependencies
• Run yarn dev to run local client on localhost:4000 and local server on localhost:4001

• Build React app using yarn build
• Run yarn start to run the Koa server, which will serve the built React app (via '/build'), as well as operate both the boardgame.io server and lobby