Art userspace (#9068)

* added git codes

* started git layer

* finished structure for git layer. MOD: replaced mouse with mod keys on right hand

* layout changing layer

* mod enter. default qwerty layer. removed mods on number layer

* workman layout. git log, show. blank enter and bsspace

* config layer. toggleable ctrl/alt for OS

* removed keymap comments

* strings and combos layers. sarcasm and ctrl_ctv. RGB configs

* reintroduced enter and bspace. delete backspace as a function. git push -u and checkout -b

* string macros

* OS specific home/end

* OS mac & win keys. N delete global backspace

* refactored backspace functions

* ctrl lctv macro

* base layer toggle fix

* whitespace

* BS + L for FF and chrome

* replaced 1 keycode with userspace

* added userspace config

* remove comments

* add another keycode with a variable

* moved all keymaps and codes to common file

* ctrl z mod

* removed ctrl z

* sipmlified OS functions

* moved is_win to keyboard level

* added mac alt tab

* added ctrl tab in mac + clean up variables in art.h

* tild string macro. added mac left/right + home/end

* mac ctrl backspace

* enum layers for default layout

* added ergodone keymap

* ergodone compiles

* clean up

* clean up

* removed obsolete OS_HOME/END

* removed var

* added ctrl nav to split75

* ergodone clean up + caps lock fix 75

* fix mac ctrl alt on right handside. added mac alt tab left right

* fix ergodone config override

* fixed alt left right not working on mac

* added OS ctr_alt

* mac ctrl del. fix tild

* simplified tild macro

* git stash apply

* send_string_remembering_lenght

* shifted strings print

* restored KC_BSPACE functionality

* moved KC_BSPC

* numpad layer on Fn

* media lights

* ergodone final clean up

* ergodone GIT AND MEDIA layers

* ergodone GIT LAYER switch

* default behaviour for all modified keys on BASE layer

* refactored logic for default keycodes

* ergodone final layers

* ctrl_cav for translation and ctrl_l fix

* toggleable layer with numpad

* comments

* numpad layer

* Update users/art/config.h

Co-authored-by: Joel Challis <git@zvecr.com>

* enable dynamic macros for split75

* git branch and develop/master

* removed esc from Nav

* ergodone: ctrl alt for shift layer

* macros and right alt for ergodone

* fix ergodone N_backspace not working on git layers

* mac language switch with alt+shift

* Update users/art/art.c

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update users/art/art.c

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update users/art/art.c

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/ergodone/keymaps/art/keymap.c

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update users/art/art.h

Co-authored-by: Ryan <fauxpark@gmail.com>

* flashing leds to indicate current os

* using rshift on shifted layers

Co-authored-by: Joel Challis <git@zvecr.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

users/art/art.h

@@ -0,0 +1,69 @@
+#pragma once
+#include QMK_KEYBOARD_H
+
+#define CTL_ALT(kc) (CTL_ALT_START + ((kc) & 0xff))
+
+extern bool is_win;
+
+enum layer_names {
+  QWERTY,
+  WORKMAN,  
+  BASE, //only specific for split75
+#if defined(KEYBOARD_wheatfield_split75)
+  QWERTY_MOD,
+  LAYOUT_CHG,
+#elif defined(KEYBOARD_ergodone)
+  FKEYS,
+  CTRL_NAV,
+  SHIFT_NAV,
+#endif
+
+  MEDIA,
+  COMBOS,
+  STRINGS,
+  CONFIG,
+  NAV,
+  NUMPAD,
+  GIT,
+  GIT_C,
+  GIT_S
+};
+
+enum custom_keycodes_art {
+  CTRL_CTV = SAFE_RANGE,
+  CTRL_LCTV,
+  CTRL_CAV,
+  SARCASM,
+
+  TOG_OS,
+  CTR_ALT,
+  OS_CTRL,
+  OS_WIN,
+
+  TILD_BLOCK,
+  ADMINS,
+  PRESCRIPTION,
+  FOURS,
+  
+  G_ADD,
+  G_BRCH,
+  G_C,
+  G_CHEC,	
+  G_COMM,
+  G_DEV,
+  G_DIFF,
+  G_FTCH,
+  G_LOG,
+  G_MERG,
+  G_P,
+  G_RST,
+  G_S,
+  G_STAT,
+  G_STSH,
+  G_SHOW,
+
+  CTL_ALT_START,
+  CTL_ALT_END = CTL_ALT_START + 0xff,
+
+  NEW_SAFE_RANGE  //for keymap specific codes
+};