* info.json: apply friendly formatting
* info.json: correct layout data
Update layout data to my best guess of the actual layout. Seems this product never went into production.
* rename LAYOUT_all to LAYOUT_ansi_split_bs_rshift
* add LAYOUT_ansi
* add matrix_diagram.md
* Apply suggestions from code review
* Clean up `DEBOUNCE` in config.h, 0-9
* Clean up `DEBOUNCE` in config.h, A
* Clean up `DEBOUNCE` in config.h, B
* Clean up `DEBOUNCE` in config.h, C
* Clean up `DEBOUNCE` in config.h, D
* Clean up `DEBOUNCE` in config.h, E
* Clean up `DEBOUNCE` in config.h, F
* Clean up `DEBOUNCE` in config.h, G
* Clean up `DEBOUNCE` in config.h, H
* Clean up `DEBOUNCE` in config.h, handwired
* Clean up `DEBOUNCE` in config.h, I
* Clean up `DEBOUNCE` in config.h, J
* Clean up `DEBOUNCE` in config.h, K
* Clean up `DEBOUNCE` in config.h, L
* Clean up `DEBOUNCE` in config.h, M
* Clean up `DEBOUNCE` in config.h, N
* Clean up `DEBOUNCE` in config.h, O
* Clean up `DEBOUNCE` in config.h, P
* Clean up `DEBOUNCE` in config.h, Q
* Clean up `DEBOUNCE` in config.h, R
* Clean up `DEBOUNCE` in config.h, S
* Clean up `DEBOUNCE` in config.h, T
* Clean up `DEBOUNCE` in config.h, U
* Clean up `DEBOUNCE` in config.h, V
* Clean up `DEBOUNCE` in config.h, W
* Clean up `DEBOUNCE` in config.h, X
* Clean up `DEBOUNCE` in config.h, Y
* Clean up `DEBOUNCE` in config.h, Z
* Remove default debounce from info.json
* Migrate non-default debounce to info.json
