Update README.md

Author: vimscientist69

README.md

@@ -46,8 +46,9 @@ Shared data models and type definitions used across the application.
 - **Backend**: Swift 5.9, Vapor 4, PostgreSQL
 - **iOS/macOS**: SwiftUI, Combine, Swift Concurrency
 - **Infrastructure**: Docker, AWS (via Soto)
+- **Hosting**: Fly.io
 - **CI/CD**: GitHub Actions
-- **Monitoring**: Prometheus, Loki
+- **Monitoring**: Prometheus, Loki, Grafana
 - **Dependencies**:
   - Vapor ecosystem (Fluent, Leaf, JWT)
   - Alamofire for networking