docs: note that project is managed by Hermes Agent (#2)

README update: project is now managed by Hermes Agent.

Reviewed-on: #2
Reviewed-by: Daniel Jircă <daniel.jirca@alecsa.design>
Co-authored-by: robi <robi@alecsa.design>

README.md

@@ -2,6 +2,10 @@
 
 A tic-tac-toe game with two modes: **CPU** (play against a CPU opponent that makes random moves) and **Online** (real-time 2-player over WebSocket).
 
+## Management
+
+This project is now managed by Hermes Agent.
+
 ## Stack
 - Frontend: vanilla JS + CSS (no build step)
 - Backend: Node.js + Express (serves static files) + `ws` (WebSocket) + `sql.js` (SQLite, file-based persistence)