- Update ILI9341 driver to v2.0.1
- Lots of code cleanup for apps
- Refactor app "type" into "category" and added flags to the manifest (for show/hide statusbar and for hidden apps)
- Rename some ElfApp-related functionality and improved the way the static data was managed
- Rename "filebrowser" to "files"
- Added cstring functions to tt_init.cpp
- Minor fix in Boot app
- Updated external apps for SDK changes
- Disable `DisplayDriver` for `St7701Display` (on CYD 4848)
- Improve `GraphicsDemo`: check for feature capability and show alert dialog if there's an issue
- `DevelopmentService` installs to `/data` instead of `/sdcard`
- Fixed `tt_app_get_data_directory()` and `tt_app_get_data_directory_lvgl()` (C++ to C)
- `tt_kernel.h` now defines `MAX_TICKS`
- `tt_init.cpp` now exports `esp_log()` which is required since ESP-IDF 5.5
- `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
