[Keyboard] Add support for PaladinPad, Arya pcb and move keyboards by KapCave into their own directory (#14194)
Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: Nachiket Kulkarni <nachiket_kulkarni@apple.com>