• apps/expo - Universal frontend app with @tanstack/react-query, tRPC and expo-router.
• apps/expo/app/api/trpc/[trpc]+api.ts - Expo API route with tRPC route handlers.
• packages/trpc-server - tRPC routers and procedures.

Go to the root directory and run yarn to install dependencies.

cd apps/expo
yarn web

cd apps/expo
yarn ios

cd apps/expo
yarn android