[Keyboard] Add Dozen0 (#5272)

* Add Dozen0 macropad

* Fix readme image

* Add info.json

* Fix keymap f12

* Fix copyright and replace include guards

* remove IS_COMMAND at config.h

keyboards/dozen0/keymaps/f12/keymap.c

@@ -0,0 +1,40 @@
+/* Copyright 2019 yynmt
+ *
+ * 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
+
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  [0] = LAYOUT(
+    KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, \
+    KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12 \
+  ),
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  return true;
+}
+
+void matrix_init_user(void) {
+
+}
+
+void matrix_scan_user(void) {
+
+}
+
+void led_set_user(uint8_t usb_led) {
+
+}