- Updated OSD.md.
- Added setting for also displaying metric efficiency.
- Removed setting for `osd_stats_min_voltage_unit` as both are now shown.
- Added reset methods for stats not held in the OSD.
- Fixed issue where all stats would not reset on arm. Battery used maintains pack usage, as well as flight usage.
- Added missing FEATURE(GPS) on distance from home and speed (analogue).
- OSD stats only update while armed.