Ring Control Firmware Version 42

New Features
1. Camera Enhancement: Swipe up/down on touch area to adjust focus, double-click touch area to switch front/rear camera, long press physical button for more than 1 second (release after vibration) to switch photo/video. (Note: This feature is available for Android and HarmonyOS, temporarily not supported on iOS)
2. Scroll Wheel Speed Adjustment: In mouse mode's scroll wheel function, double-click the touch area to cycle through speed levels (Medium -- Fast -- Slow -- Medium). The LED will flash to indicate the switch.
3. Mode Switch: Added ring function mode on/off control (requires APP v1.6 or later).

Bug Fixes and Optimizations
4. Pointer Optimization: Fixed pointer jitter issue in mouse mode.
5. Touch Optimization: Reduced probability of accidental touches during swipe operations in mouse mode.