Move Kuma API doc screenshot to uptime-kuma folder

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

uptime-kuma/README.md

@@ -85,8 +85,13 @@ The REST API is limited to:
 
 **Full monitor management** (create, edit, delete monitors) requires the **Socket.IO API**, which is more complex and uses WebSockets. For adding monitors, use the web UI at https://status.georgsen.dk.
 
+## Socket.IO API
+
+Full monitor management (create, edit, delete) is available via Socket.IO. See `kuma_api_doc.png` for complete API documentation screenshot.
+
 ## References
 
 - [API Documentation](https://github.com/louislam/uptime-kuma/wiki/API-Documentation)
 - [API Keys](https://github.com/louislam/uptime-kuma/wiki/API-Keys)
 - [Internal API](https://github.com/louislam/uptime-kuma/wiki/Internal-API)
+- `kuma_api_doc.png` - Full API documentation screenshot