* Reorganize and clean up RGBController API functions
* Add functions to get protected RGBController member values
* Make NetworkClient, ProfileManager, and ResourceManager friend classes so they can access protected members
* Protected previously-public RGBController members
* Information strings (name, vendor, description, version, serial location)
* Device type
* Active mode
* Flags
* LEDs vector
* LED alternate names vector
* Modes vector
* Colors vector
* Zones vector
* Add CONTROLLER_FLAG_HIDDEN to allow plugins to hide controllers from control GUI
* Add update reason codes to RGBController update callback and signal updates on more RGBController events
* Add loop zone types and segmented zone type
* Add matrix map field to segments
* Rework matrix_map_type from using pointers to vector to prevent memory leaks
* Rework KeyboardLayoutManager to return new matrix_map_type
* Add access mutex to RGBController API
* Add per-zone modes ot RGBController API
* Add JSON description functions to RGBController API
* Insert Row OPCODE requires a row taken from the provided key
* Insert Row will insert provided key if the row insert was successful.
* Provide "UNUSED" key for an empty row insert.
* Added new KEYBOARD_OPCODE enum
* Updated `keyboard_leds` to include new opcode
* Reorganised InsertKeys and SwapKeys to work with struct change
* Changed public interfaces to only accept opcode changes
* Updated static keyboard declarations to align with new structures
