add real-time patient vital signs monitoring dashboard UI and backend integration

main.py

@@ -210,6 +210,12 @@ def serve_dashboard_root():
 from fastapi.staticfiles import StaticFiles
 app.mount("/static", StaticFiles(directory="static"), name="static")
 
+from fastapi.responses import Response
+@app.get("/favicon.ico", include_in_schema=False)
+async def favicon():
+    return Response(status_code=204, media_type="image/x-icon")
+
+
 
 # === WebSocket endpoint for live vitals ===
 @app.websocket("/ws/vitals")