UI+Reporting+Geforce+R/T

What's Changed

• Add Reaction Race UI and state machine; fix compile issues and LVGL integration by @matigi in #62
• Fix Reaction screen tap handling and move light stack to right by @matigi in #63
• Add Reaction Race LVGL screen, integrate state machine, and fix Arm button activation by @matigi in #64
• Reaction Mode: IMU-based movement trigger, wait-for-move state, and first-IR discard by @matigi in #65
• Reaction timer: IMU-only mode, buzzer tones, and UI cleanup by @matigi in #66
• Move reaction tile right of main timer and update swipe navigation by @matigi in #67
• Reaction screen: mirrored edge lights, tightened layout, and swipe/navigation updates by @matigi in #68
• Reaction UI: add 3s armed countdown, raise lights, enlarge R/T, and update swipes by @matigi in #69
• Add per-driver best reaction time tracking and reporting by @matigi in #70
• Display boot splash image for 2s on startup by @matigi in #71
• Use v3 boot splash header for startup image by @matigi in #72
• Use v4 boot splash image on startup by @matigi in #73
• Fix boot splash orientation and color for v4 image by @matigi in #74
• Fix reaction light clipping and reporting table styling by @matigi in #75
• Adjust reaction light position and reporting table styling by @matigi in #76
• Make reporting table transparent, bump table font, shorten header and nudge reaction lights by @matigi in #77
• Make reporting table transparent, use available font, and fix reaction light layout by @matigi in #78
• Sort driver table by best lap and reset reaction mode on tile change by @matigi in #79
• Speed up g-force dot settling by @matigi in #80
• Fix g-force axis orientation and lateral sign by @matigi in #81

Full Changelog: v2.1...v3.0