Cypher rev5 Layout Additions (qmk#20844)

* add matrix_diagram.md

* info.json: apply friendly formatting, phase 1

- use four-space indent

* info.json: apply friendly formatting, phase 2

- add key labels

* add LAYOUT_ansi_split_space_split_bs

* add LAYOUT_ansi_split_space

* add LAYOUT_ansi_6u_space_split_bs

* add LAYOUT_ansi_6u_space

* add LAYOUT_ansi_rwkl_split_bs

* add LAYOUT_ansi_rwkl

* add LAYOUT_ansi_wkl_split_bs

* add LAYOUT_ansi_wkl

* add LAYOUT_iso_split_space_split_bs

* add LAYOUT_iso_split_space

* add LAYOUT_iso_6u_space_split_bs

* add LAYOUT_iso_6u_space

* add LAYOUT_iso_rwkl_split_bs

* add LAYOUT_iso_rwkl

* add LAYOUT_iso_wkl_split_bs

* add LAYOUT_iso_wkl