* **Documentation**
* Added new C coding style guide detailing naming conventions for files, directories, macros, constants, variables, functions, and type definitions with illustrative examples.
* Updated C++ coding style documentation with clarifications on C naming conventions and header directory organization patterns.
* **Refactor**
* Updated header include paths throughout the codebase to use lowercase naming conventions consistently.
* **New Features**
* Time and delay utilities added (ticks, ms, µs); SD card now uses an expansion-header CS pin; HTTP downloads warn when run on the GUI task and yield to avoid blocking.
* **Bug Fixes / Reliability**
* Many hard-crash paths converted to guarded checks to reduce abrupt termination and improve stability.
* **Tests**
* Unit tests added to validate time and delay accuracy.
* **Chores**
* License header and build/macro updates.
## Launcher
- Launcher now has optional power button to show
- Launcher layout improvements
- Removed text from Launcher (translations with larger amounts of text did not fit small device formats)
## T-Lora Pager
- Implement power off (created `BQ25896` driver)
- Implemented haptics (created `DRV2605` driver project) and buzz on startup
- Reversed scroll wheel
- Created `TloraEncoder` device and relocated its logic from `TloraKeyboard`
- Disabled SPIRAM test to save 0.5 seconds of boot time (current boot time is very slow)
- Update `ST7796` esp_lcd driver to v1.3.4
- Fixed keyboard bug: delete queue in destructor
- Fixed driver dependencies: Avoiding usage of global static shared_ptr. Properly constructor-inject everywhere, or use `tt::hal::findDevices()`
- I2C configuration is now immutable (you cannot disable it anymore from the I2C Settings app, as it would break crucial drivers)
- Renamed I2C and UART subsystems to "Internal"
## Drivers
- On/off interface added to `PowerDevice`
- Created `tt::hal::Configuration.createDevices`, which is intended to replace all custom create calls for display, keyboard, etc.
- Created `EncoderDevice` as a `Device` subtype
## Other Improvements
- Changed `findDevices(type, function)` into a templatized function.
- Improved SD card mounting
## Fixes
- Show Screenshot app again
- Fixed Statusbar: some updates were allowed to time out and fail silently: When the Statusbar service would do a state update, the LVGL statusbar would never get updated due to this timeout.
- Fixed memory leaks in all `createSdCard()` functions (in most board implementations)
- `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