Update README with badges, URLs, and environments table

- Add CI/Deploy status badges
- Add prominent links to website and SSH endpoints
- Add environments table (prod/staging/dev)
- Add contributing section

Author: ghndrx

README.md

@@ -2,10 +2,18 @@
 
 **SSH into chess mastery.**
 
+[![CI](https://github.com/ghndrx/shellmate/actions/workflows/ci.yml/badge.svg)](https://github.com/ghndrx/shellmate/actions/workflows/ci.yml)
+[![Deploy](https://github.com/ghndrx/shellmate/actions/workflows/deploy.yml/badge.svg)](https://github.com/ghndrx/shellmate/actions/workflows/deploy.yml)
+
 ```bash
 ssh play@shellmate.sh
 ```
 
+🌐 **Website:** [shellmate.sh](https://shellmate.sh)  
+🎮 **Play:** `ssh play@shellmate.sh`  
+📚 **Learn:** `ssh learn@shellmate.sh`  
+👀 **Watch:** `ssh watch@shellmate.sh`
+
 > *Experience chess in your terminal. Play against AI, challenge friends, or master the game with interactive tutorials.*
 
 ## ✨ Features
@@ -77,13 +85,28 @@ ssh -p 2222 play@localhost
 
 See [docs/self-hosting.md](docs/self-hosting.md) for configuration options.
 
+## 🔗 Environments
+
+| Environment | Website | SSH |
+|-------------|---------|-----|
+| **Production** | [shellmate.sh](https://shellmate.sh) | `ssh play@shellmate.sh` |
+| **Staging** | [staging.shellmate.sh](https://staging.shellmate.sh) | `ssh play@staging.shellmate.sh` |
+| **Development** | [dev.shellmate.sh](https://dev.shellmate.sh) | `ssh play@dev.shellmate.sh` |
+
+## 🤝 Contributing
+
+1. Fork the repo
+2. Create a feature branch (`git checkout -b feature/awesome`)
+3. Commit changes (`git commit -m 'Add awesome feature'`)
+4. Push to branch (`git push origin feature/awesome`)
+5. Open a PR to `develop`
+
+See [CONTRIBUTING.md](CONTRIBUTING.md) for details.
+
 ## 📝 License
 
 MIT
 
 ---
 
-**Website:** [shellmate.sh](https://shellmate.sh)  
-**Game:** `ssh play@shellmate.sh`
-
 *Built with ♟️ by [Greg Hendrickson](https://gregh.dev)*