Update README.md with dependencies

Author: tslashd

README.md

@@ -160,6 +160,11 @@ Core plugin for CS2 Surf Servers. This project is aimed to be fully open-source
 </details>
 </br>
 
+## 🔗 Dependencies
+- [`CounterStrikeSharp`](https://github.com/roflmuffin/CounterStrikeSharp) - **required** minimum version [v1.0.339](https://github.com/roflmuffin/CounterStrikeSharp/releases/tag/v1.0.337).
+- [`SurfTimer.Shared`](https://github.com/tslashd/SurfTimer.Shared) – **required** shared library for DTOs, entities, and database integration.  
+- [`SurfTimer.Api`](https://github.com/tslashd/SurfTimer.Api) – *optional* REST API for faster, centralized communication with the database.
+
 # Main list with tasks (more details can be found [here](https://github.com/CS2Surf/Timer/blob/dev/TODO)):
 *Note: This is not definitive/complete and simply serves as a reference for what we should try to achieve. Subject to change.*
 Bold & Italics = being worked on.