telemetry HUD overlay

inspo: drone FPV OSD, DJI telemetry overlays, 

<img width="722" height="431" alt="Image" src="https://github.com/user-attachments/assets/00c6f5de-da8d-4f3c-b506-03c3427e85aa" />

<img width="722" height="431" alt="Image" src="https://github.com/user-attachments/assets/0839a551-6b1c-4bb5-8951-6676bf0acdba" />