Merge develop into main (#303)

- `DisplayDevice` improvements related `DisplayDriver`
- Replaced incorrect usage of `spiBusHandle` with `spiHostDevice` in all SPI display devices
- Disabled `DisplayDriver` support for RGB displays for now
- Updated `GraphicsDemo` project for the above changes
- TactilityC improvements:
  - created `tt_hal_device_find()`
  - created `tt_hal_display_*`
  - created `tt_hal_touch_*`
  - created `tt_lvgl_*`
  - export `tt_app_*` calls

Drivers/EspLcdCompat/Source/EspLcdTouchDriver.cpp

@@ -9,5 +9,5 @@ bool EspLcdTouchDriver::getTouchedPoints(uint16_t* x, uint16_t* y, uint16_t* _Nu
         TT_LOG_E(TAG, "Read data failed");
         return false;
     }
-    return esp_lcd_touch_get_coordinates(handle, x, y, strength, pointCount, maxPointCount) == ESP_OK;
+    return esp_lcd_touch_get_coordinates(handle, x, y, strength, pointCount, maxPointCount);
 }