update readme

README.md

@@ -4,29 +4,10 @@
 
 Online 2-player chess. Live demo at [ches.su](https://ches.su)
 
-- React 18
-- CSS Modules
+- React (Remix)
+- Tailwind CSS
 - [react-chessboard](https://github.com/Clariity/react-chessboard)
 - [chess.js](https://github.com/jhlywa/chess.js)
 - Express.js
 - socket.io
 - PostgreSQL
-
-## Development
-
-This repository is used for production deployments. You will need to make changes to the configuration to get this running locally.
-
-```sh
-npm install # install all dependencies
-
-npm run dev # concurrently run frontend and backend dev servers
-
-npm run react-dev # run frontend server only
-```
-
-### Environment variables
-
-Client: `APIURL` (or just change `apiUrl` in `/client/src/config/config.ts`)
-
-Server: `PORT`, `SESSION_SECRET`, `PGUSER`, `PGPASSWORD`, `PGHOST`, `PGDATABASE`, `PGPORT`
-(also see server cors config and session middleware for local development)