[Keymap] Add users/alfrdmalr and switch to layouts (qmk#8030)

* WIP do not merge

* first pass at custom preonic layout

* add auto shift and reset via leader key

* Update readme

* update copyright notice

* formatting changes

* fix: use MO instead of process_record_user

* added backslash and moved grave position

* remove extraneous 'j' characer in NUMPAD template

* update template formatting

* remove process_record_user

* swap "!" with "@"

* fix readme formatting

* update readme layout image

* restore settings layer

* add windows minimize sequence

* fix: switch to correct seq function for three-key sequence

* fix: missing semicolon

* refactor: move keymap to userspace and generic 5x12 layout

* add numlock to numpad layer

* add readme

* update readme formatting

* remove unused wrappers from layout keymap

* update readme title to reflect new location

* remove alfrdmalr directory from preonic/keymaps

* clean up user config

layouts/community/ortho_5x12/alfrdmalr/config.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#ifdef AUDIO_ENABLE
+    #define STARTUP_SONG SONG(PREONIC_SOUND)
+#endif

layouts/community/ortho_5x12/alfrdmalr/keymap.c

@@ -0,0 +1,49 @@
+#include "alfrdmalr.h"
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+// QWERTY 
+[_QWERTY] = LAYOUT_ortho_5x12_wrapper(
+  K00,     ____NUMROW_L0____, ____NUMROW_R0____, K0B,
+  K10,     ____QWERTY_L1____, ____QWERTY_R1____, K1B_ALT,
+  K20,     ____QWERTY_L2____, ____QWERTY_R2____, K2B,
+  K30,     ____QWERTY_L3____, ____QWERTY_R3____, K3B,
+  K40,     _____BASE_L4_____, _____BASE_R4_____, K4B
+),
+
+// SYMBOLS 
+[_SYMBOLS] = LAYOUT_ortho_5x12_wrapper(
+  K00_SYM, ____NUMROW_L0____, ____NUMROW_R0____, K0B_SYM,
+  K10_SYM, ____SYMBOL_L1____, ____SYMBOL_R1____, K1B_SYM,
+  K20_SYM, ____SYMBOL_L2____, ____SYMBOL_R2____, K2B_SYM,
+  K30_SYM, ____SYMBOL_L3____, ____SYMBOL_R3____, K3B_SYM,
+  K40_SYM, ____SYMBOL_L4____, ____SYMBOL_R4____, K4B_SYM
+),
+
+// NAVIGATION 
+[_NAVIGATION] = LAYOUT_ortho_5x12_wrapper(
+  K00_NAV, ____NUMROW_L0____, ____NUMROW_R0____, K0B_NAV,
+  K10_NAV, __NAVIGATION_L1__, __NAVIGATION_R1__, K1B_NAV,
+  K20_NAV, __NAVIGATION_L2__, __NAVIGATION_R2__, K2B_NAV,
+  K30_NAV, __NAVIGATION_L3__, __NAVIGATION_R3__, K3B_NAV,
+  K40_NAV, __NAVIGATION_L4__, __NAVIGATION_R4__, K4B_NAV
+),
+
+// NUMPAD 
+[_NUMPAD] = LAYOUT_ortho_5x12_wrapper( 
+  K00_NUM, ____NUMROW_L0____, ____NUMROW_R0____, K0B_NUM,
+  K10_NUM, ____NUMPAD_L1____, ____NUMPAD_R1____, K1B_NUM,
+  K20_NUM, ____NUMPAD_L2____, ____NUMPAD_R2____, K2B_NUM,
+  K30_NUM, ____NUMPAD_L3____, ____NUMPAD_R3____, K3B_NUM,
+  K40_NUM, ____NUMPAD_L4____, ____NUMPAD_R4____, K4B_NUM 
+),
+
+// SETTINGS 
+[_SETTINGS] = LAYOUT_ortho_5x12_wrapper( 
+  K00_SET, ______TRANS______,  ______TRANS______, K0B_SET,
+  K10_SET, ___SETTINGS_L1___,  ___SETTINGS_R1___, K1B_SET,
+  K20_SET, ___SETTINGS_L2___,  ___SETTINGS_R2___, K2B_SET,
+  K30_SET, ___SETTINGS_L3___,  ___SETTINGS_R3___, K3B_SET,
+  K40_SET, ___SETTINGS_L4___,  ___SETTINGS_R4___, K4B_SET
+)
+};