[Keyboard] Add keyboard Nafuda (#7367)

* [Keyboard] Add keyboard Nafuda

Add Nafuda keyboard.

A 7 keys keyboard.
Salicylic-acid3

* Update keyboards/nafuda/info.json

* Update keyboards/nafuda/readme.md

* Update keyboards/nafuda/readme.md

* Update keyboards/nafuda/nafuda.h

* Update keyboards/nafuda/readme.md

* Update keyboards/nafuda/rules.mk

* Update keyboards/nafuda/rules.mk

* Update keyboards/nafuda/rules.mk

* Update keyboards/nafuda/rules.mk

* info.json Update

* Update keyboards/nafuda/rules.mk

keyboards/nafuda/keymaps/default/config.h

@@ -0,0 +1,23 @@
+/* Copyright 2018 Salicylic_acid3
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+/* Select hand configuration */
+
+#define TAPPING_FORCE_HOLD
+#define TAPPING_TERM 180
+

keyboards/nafuda/keymaps/default/keymap.c

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+#include QMK_KEYBOARD_H
+
+#ifdef RGBLIGHT_ENABLE
+//Following line allows macro to read current RGB settings
+extern rgblight_config_t rgblight_config;
+#endif
+
+extern uint8_t is_master;
+
+// 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.
+enum layer_number {
+  _BASE,
+  _MOUSE,
+  _BROWSER,
+  _ADJUST,
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  [_BASE] = LAYOUT(
+  //|-------------------------------------------|
+                          TG(_MOUSE),
+  //|---------------+---------------+-----------|
+LT(_ADJUST, KC_BSPC),          KC_UP,TG(_BROWSER),
+  //|---------------+---------------+-----------|
+             KC_LEFT,        KC_DOWN,    KC_RIGHT
+  //|-------------------------------------------|
+  ),
+
+  [_MOUSE] = LAYOUT(
+  //|-------------------------------------------|
+                          TG(_MOUSE),
+  //|---------------+---------------+-----------|
+             KC_BTN1,        KC_MS_U,    KC_BTN2,
+  //|---------------+---------------+-----------|
+             KC_MS_L,        KC_MS_D,    KC_MS_R
+  //|-------------------------------------------|
+  ),
+
+  [_BROWSER] = LAYOUT(
+  //|-------------------------------------------|
+                          LCTL(KC_W),
+  //|---------------+---------------+-----------|
+    LCTL(LSFT(KC_T)),        KC_WH_U,TG(_BROWSER),
+  //|---------------+---------------+-----------|
+  LCTL(LSFT(KC_TAB)),        KC_WH_D,LCTL(KC_TAB)
+  //|-------------------------------------------|
+  ),
+
+  [_ADJUST] = LAYOUT( /* Base */
+  //|-------------------------------------------|
+                             RGB_VAD,
+  //|---------------+---------------+-----------|
+         MO(_ADJUST),        RGB_SAD,    RGB_VAI,
+  //|---------------+---------------+-----------|
+             RGB_MOD,        RGB_TOG,    RGB_SAI
+  //|-------------------------------------------|
+  )
+};

keyboards/nafuda/keymaps/default/readme.md

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+# The default keymap for nafuda
+
+## Base
+|        1       |     2    |  3    |
+|:--------------:|:--------:|:-----:|
+|                |   MOUSE  |       |
+| ADJUST or BSPC |     UP   |BROWSER|
+|    LEFT        |    DOWN  |  RIGHT|
+
+
+## MOUSE
+|  1       |     2    |     3     |
+|:--------:|:--------:|:---------:|
+|          |    BASE  |           |
+|    Btn 1 | MOUSE_UP |    Btn2   |
+|MOUSE_LEFT|MOUSE_DOWN|MOUSE_RIGHT|
+
+
+## BROWSER
+|       1     |     2    |    3    |
+|:-----------:|:--------:|:-------:|
+|             |  LCTL(W) |         |
+| LCTL+LSFT(T)| WHEEL_UP | BROWSER |
+|LCTL+SFT(TAB)|WHEEL_DOWN|LCTL(TAB)|
+
+
+## Adjust
+|    1    |     2   |    3   |
+|:-------:|:-------:|:------:|
+|         | RGB_VAD |        |
+| Adjust  | RGB_SAD | RGB_VAI|
+| RGB_MOD | RGB_TOG | RGB_SAI|
+
+