refactor(board): Update to z3.2
Major update to underlying code requires change to the repo, brought in line with zmk pr for commonality, fixed indentation to comply with zmk pre-commit formatting reqs
Update settings-reset, change RGB modes
Add Update instructions, Assets folder
* Cleanup layer binding formatting
* Align rows/columns
* Be consistent for each layer
* Consistent with `keymap.json`
* Replace `BKSP` with `BSPC`
* Based on https://zmk.dev/docs/codes/keyboard-keypad#control--whitespace
* Consistent with `keymap.json`
* Replace default layer `&kp KP_NUMBER_*` with `&none`
* These were `&none` in v1
* Consistent with other layers
Removed default brightness as that's handled by base firmware now
Added USB VID, PID and manufacturer ID
Enabled DCDC converter for marginally improved battery