[Keyboard] Add keyboard hifumi (#5341)

* Add keyboard hifumi

* Update keyboards/hifumi/Readme.md

Co-Authored-By: zk-phi <zk-phi@users.noreply.github.com>

* Update keyboards/hifumi/Readme.md

Co-Authored-By: zk-phi <zk-phi@users.noreply.github.com>

* Update keyboards/hifumi/Readme.md

Co-Authored-By: zk-phi <zk-phi@users.noreply.github.com>

* Update keyboards/hifumi/keymaps/default/keymap.c

Co-Authored-By: zk-phi <zk-phi@users.noreply.github.com>

* Update keyboards/hifumi/keymaps/test/keymap.c

Co-Authored-By: zk-phi <zk-phi@users.noreply.github.com>

* Update keyboards/hifumi/Readme.md

Co-Authored-By: zk-phi <zk-phi@users.noreply.github.com>

* Add DIODE_DIRECTION

* Rename readme.md

keyboards/hifumi/keymaps/default/keymap.c

@@ -0,0 +1,47 @@
+/* Copyright 2019 zk-phi
+ *
+ * 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/>.
+ */
+#include QMK_KEYBOARD_H
+
+#ifdef RGBLIGHT_ENABLE
+//Following line allows macro to read current RGB settings
+extern rgblight_config_t rgblight_config;
+#endif
+
+enum layers {
+    DEFAULT,
+    RAISE,
+    LOWER,
+    ADJUST
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [DEFAULT] = LAYOUT(
+        LT(RAISE, KC_F5), KC_UP,   LT(LOWER, KC_PSCR),
+        KC_LEFT,          KC_DOWN, KC_RIGHT
+    ),
+    [RAISE] = LAYOUT(
+        _______, KC_PGUP, MO(ADJUST),
+        KC_HOME, KC_PGDN, KC_END
+    ),
+    [LOWER] = LAYOUT(
+        MO(ADJUST), _______, _______,
+        _______,    _______, _______
+    ),
+    [ADJUST] = LAYOUT(
+        _______,        RGB_TOG,        _______,
+        RGB_MODE_SNAKE, RGB_MODE_PLAIN, RGB_HUI
+    )
+};