[Keymap] Add tw1t611 german keyboard layout for minidox. (#4679)

Apply core functions.

Change layout.

keyboards/minidox/keymaps/tw1t611/keymap.c

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+#include QMK_KEYBOARD_H
+#include "keymap_german.h"
+
+extern keymap_config_t keymap_config;
+
+// Each layer gets a name for readability, which is then used in the keymap matrix below.
+// The underscores don't mean anything - you can have a layer called STUFF or any other name.
+// Layer names don't all need to be of the same length, obviously, and you can also skip them
+// entirely and just use numbers.
+#define _QWERTZ 0
+#define _LOWER 1
+#define _RAISE 2
+#define _ADJUST 3
+
+enum custom_keycodes {
+  QWERTY = SAFE_RANGE,
+  LOWER,
+  RAISE,
+  ADJUST,
+};
+
+// macro keys
+#define CALTDEL LCTL(LALT(KC_DEL)) // ctrl-alt-del
+#define CALTESC LCTL(LSFT(KC_ESC)) // ctrl-alt-esc
+#define CALT LCTL(KC_LALT) // ctrl-alt
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+[_QWERTZ] = LAYOUT( \
+  DE_Q,    DE_W,    DE_E,    DE_R,    DE_T,                       DE_Z,    DE_U,    DE_I,    DE_O,    DE_P, \
+  DE_A,    DE_S,    DE_D,    DE_F,    DE_G,                       DE_H,    DE_J,    DE_K,    DE_L,    KC_SPC,  \
+  DE_Y,    DE_X,    DE_C,    DE_V,    DE_B,                       DE_N,    DE_M,    DE_COMM, DE_DOT,  DE_MINS,  \
+                     KC_LCTRL, MO(_LOWER), MO(_RAISE),		      KC_LGUI, KC_LSFT, KC_LALT \
+),
+
+[_RAISE] = LAYOUT( \
+  DE_EXLM,  DE_QST,   DE_PARA, DE_DLR,  DE_HASH,                  DE_PLUS,  DE_7,  DE_8,   DE_9, DE_0,  \
+  DE_CIRC,  DE_QUOT, DE_DQOT, DE_GRV, DE_AMPR,              	    DE_ASTR,  DE_4,  DE_5,   DE_6, DE_EQL, \
+  DE_SLSH,  DE_PIPE,  DE_BSLS, DE_AT,   DE_EURO,                  DE_PERC,  DE_1,  DE_2,   DE_3, KC_TAB,  \
+                    _______, _______, _______,        _______,  _______,  _______ \
+),
+
+[_LOWER] = LAYOUT( \
+  KC_AUDIO_MUTE,  KC_AUDIO_VOL_DOWN,  DE_LBRC,  DE_RBRC,  KC_AUDIO_VOL_UP,  KC_HOME,      KC_PGDOWN,  KC_PGUP,  KC_END,   DE_TILD,  \
+  KC_ESC,   DE_LESS,  DE_LPRN,  DE_RPRN,  DE_MORE,                          KC_LEFT,      KC_DOWN,    KC_UP,    KC_RIGHT, KC_ENT,  \
+  KC_BSPC,  KC_DEL,   DE_LCBR,  DE_RCBR,  KC_PSCR,                        	_______,  DE_AE,    DE_OE,    DE_UE,    DE_SS,  \
+                        _______, _______, _______,                    _______,  MO(_ADJUST), _______  \
+),
+
+[_ADJUST] = LAYOUT( \
+  _______,  _______,  _______,  _______,  _______,             _______,   KC_F7,    KC_F8,    KC_F9,   KC_F10,  \
+  CALTESC,  CALTDEL,  _______,  CALT,     _______,             _______,   KC_F4,    KC_F5,    KC_F6,   KC_F11,  \
+  RESET,    _______,  _______,  _______,  _______,             _______,   KC_F1,     KC_F2,    KC_F3,   KC_F12,  \
+                          _______,  _______,  _______,      _______,  _______,  _______  \
+)};
+
+void matrix_init_user(void) {
+  set_single_persistent_default_layer(_QWERTZ);
+};

keyboards/minidox/keymaps/tw1t611/readme.md

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+# Minidox Layout by tw1t611
+![](https://imgur.com/M95KSke.png)
+
+This is a german layout with support for umlauts and the euro sign.
+You need to set your system layout to german.
+
+[keyboard-layout-editor.com](http://www.keyboard-layout-editor.com/#/gists/d58a82d8017d0c0cca044ef385def165)
+
+## Layers
+| Layer | Legend |
+| ----- | ------ |
+| Base  | Top left (white) |
+| Lower | Top right (organge) |
+| Raise | Bottom right (blue) |
+| Adjust | Front print (orange + shift) |
+
+## Features
+* German layout with support for umlauts and the euro sign
+* Raise/lower layers focus first on one-handed use
+* Numpad on right hand with raise layer
+* Vim optimized
+    * Easy reachable Esc
+    * arrow keys on h, j, k, l

keyboards/minidox/keymaps/tw1t611/rules.mk

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+EXTRAKEY_ENABLE = yes