docs: Add CI Badge and Contributing section to README

Author: Fleonex-dev

README.md

@@ -1,5 +1,9 @@
 # 🏗️ Interactive System Design Masterclass
 
+![Build Status](https://github.com/Fleonex-dev/System-Design/actions/workflows/ci.yml/badge.svg)
+![Python](https://img.shields.io/badge/python-3.10%20%7C%203.11%20%7C%203.12-blue)
+
+
 > **"Show, Don't Just Tell."**
 > A hands-on, code-first course to master scalable systems, tailored for Senior Engineering Interviews.
 
@@ -79,4 +83,15 @@ We don't just teach theory. We show you exactly where these patterns are used:
 
 ---
 
+## 🤝 Contributing
+We love contributions! Please read [CONTRIBUTING.md](CONTRIBUTING.md) for details on our **Branch & Merge** workflow.
+1.  Fork the repo
+2.  Create your feature branch (`git checkout -b feat/amazing-feature`)
+3.  Run tests (`make test`)
+4.  Commit your changes (`git commit -m 'feat: Add amazing feature'`)
+5.  Push to the branch (`git push origin feat/amazing-feature`)
+6.  Open a Pull Request
+
+---
+
 *Built for Engineers, by Engineers.*