[Keymap] Add DZ60, Levinson keymaps, twschum user files (#7358)

[Keymap] Add DZ60, Levinson keymaps, twschum user files (#7358)

* Adds layout for DZ60rev2 plate B, options 4 and 10

* Use KC_TRANS for layer keys

* Format layer0 with visual key size layout

* Add RGB controls; add start description; add KC_LOCK

* Update comments on rules.mk for DZ60

* Gets keymap compiling

* Fix wiring for shift on row 3

* Hold a with other key to send Ctrl-A before other key

* Adds compile-time defined mac-compatability media keycodes

* Adds logic in place for capturing taps (w/ timeout)

* Add send_keys(...) which can send up to 64 nested keycodes

* Implement send_keys callable with n repeats

* Tweaks some of the keymap

* Add reset keycode; add disable to custom shortcuts

* Adds a special "off" layer where bonus mod goes to layer 0, every other key KC_NO

* Adjust timeout; mousekey settings

* Changes layout of Home,End,PgUp/Dn on the dedicated arrow keys L1/L2

* PoC on rgb lighted layer indication

* Refactors color table defines

* Adds logic for controlling layer lights

* Only change state on one side of the event lol

* Switch back to Tapping Toggle for layer 4

* Add custom config file for keyboard; TT and mousekey settings

* Code cleanup; starting to refactor special ctrl tapping keys functions

* Move defines and \ 2reak out functions

* Remove debugging light

* Adjust keymaps; add enter

* Adds a couple custom macros

* Add simplified version of keymap to help debug issues

* Adds basi numpad configuration for levinson keyboard half

* Use ANSI ctrl key as layer 1 for better one hand (`)

* Adapt to new 8bit hue from #5547; layer enum use everywhere

* Move custom code out to users/ space

* Flip col pins, move key assignments to "left hand"

* Update readme

* Implement placeholder macros

* Notes

* Reduce tapping time for SFT_T(/)

* Adds vim features; refactors things

* Adds fork of the vim features written by xton

* Use correct backspace keycode

* Add VIM_ESC

* Add "OFF" to the RGB/HSV definitions

* Clean up rules, use new "OFF" definition

* Add windows KC_CALCULATOR key to numpad

* Reformat layers with better guide; change layer names

* Add sleep key

* Change timeout delay

* Add a "code paste" which surrounds a ^V with ```

* Try removing shift tap on rshift /

* Update macros

* Update the "code paste" macro

* Update keymap with reset, calc, equals

* Update keyboards/dz60/keymaps/twschum_b_4_10_simple/keymap.c

Co-Authored-By: Drashna Jaelre <drashna@live.com>
* Update keyboards/dz60/keymaps/twschum_b_4_10/keymap.c

Co-Authored-By: Drashna Jaelre <drashna@live.com>
* Update users/twschum/twschum.c

Co-Authored-By: Drashna Jaelre <drashna@live.com>
* Update users/twschum/twschum.c

Co-Authored-By: Drashna Jaelre <drashna@live.com>
* Revert quantum/rgblight_list.h

* Better name for split space layout; rename KEYMAP->LAYOUT

* Rename KEYMAP->LAYOUT

* Use simpler :flash command

* Clean up layout files

* Use qmk's MOD_MASK_CTRL

* Sync lufa submodule

* Cleanup from noroadsleft's PR comments

* Modernize vim layer code