feat: Add touch coordinate mapping and RTOS task yielding (#2481)

Co-authored-by: Julia Nguyen <julia@uxj.io>

src/CrossPointSettings.h

@@ -176,6 +176,8 @@ class CrossPointSettings {
 
   enum TILT_PAGE_TURN { TILT_OFF = 0, TILT_NORMAL = 1, TILT_NVERTED = 2, TILT_PAGE_TURN_COUNT };
 
+  enum TOUCH_READER_CONTROLS { TOUCH_READER_OFF = 0, TOUCH_READER_ON = 1, TOUCH_READER_CONTROLS_COUNT };
+
   enum QUICK_RESUME_SLEEP_SCREEN {
     QUICK_RESUME_NEVER = 0,
     QUICK_RESUME_AFTER_TIMEOUT = 1,
@@ -280,6 +282,8 @@ class CrossPointSettings {
   uint8_t imageRendering = IMAGES_DISPLAY;
   // Tilt-based page turning (X3 only — requires QMI8658 IMU)
   uint8_t tiltPageTurn = TILT_OFF;
+  // Touch screen reader zones/gestures on boards with a touch controller.
+  uint8_t touchReaderControls = TOUCH_READER_ON;
   // Language setting (Language enum index, default 0 = EN)
   uint8_t language = 0;
   // Quick Resume: keep current content visible with moon icon instead of showing a static sleep screen.