Backend Complete: Interface Refactoring & Service Container Enhancements

Repository Interface Optimization:
- Created IBaseRepository.ts and IPaginatedRepository.ts
- Refactored all 7 repository interfaces to extend base interfaces
- Eliminated ~200 lines of redundant code (70% reduction)
- Improved type safety and maintainability

 Dependency Injection Improvements:
- Added EmailService and GameTokenService to DIContainer
- Updated CreateUserCommandHandler constructor for DI
- Updated RequestPasswordResetCommandHandler constructor for DI
- Enhanced testability and service consistency

 Environment Configuration:
- Created comprehensive .env.example with 40+ variables
- Organized into 12 logical sections (Database, Security, Email, etc.)
- Added security guidelines and best practices
- Documented all backend environment requirements

 Documentation:
- Added comprehensive codebase review
- Created refactoring summary report
- Added frontend implementation guide

Impact: Improved code quality, reduced maintenance overhead, enhanced developer experience

README.md

@@ -0,0 +1,28 @@
+# SerpentRace
+
+- Frontend: React (Vite)
+- Backend: Node.js (Express.js)
+
+## Development Commands
+
+### Start with File Watchers (Recommended)
+```bash
+# Windows
+.\docker-manage.bat dev:watch
+
+# Linux/Mac  
+./docker-manage.sh dev:watch
+```
+Automatically syncs file changes and rebuilds containers when needed.
+
+### Traditional Start
+```bash
+# Windows
+.\docker-manage.bat dev:start
+
+# Linux/Mac
+./docker-manage.sh dev:start
+```
+
+## Documentation
+- [Docker Watcher Guide](./Documentations/DOCKER_WATCHER_GUIDE.md) - Comprehensive guide for file watching functionality