DTS modules (device modules) often have a single source file with an empty `struct Module`.
The module's yaml file now allows a `dts-only` boolean to be set, so the source file becomes optional.
`devicetree.yaml` is renamed everywhere to `module.yaml`
Font size set to 18 for 800x480 displays
Fix web server dashboard not rendering when sdcard isn't present
Added new driver modules
- BM8563 RTC
- RX8130CE RTC
- MPU6886 IMU
- QMI8658 IMU
- M5PM1 Power Management Chip
Applied the above modules to applicable devicetrees.
Added new device: M5Stack StickS3
Added new M5Stack Tab5 St7123 variant.
ButtonControl changed to use interupts and xQueue, added AppClose action.
And some bonus symbols of course, the apps are hungry for symbols.
