[Keyboard] Add cg108 keyboard and fix keymap Dosa40rgb (#14753)

* Add cg108 keyboard and fix keymap Dosa40rgb

* Update keyboards/dtisaac/cg108/readme.md

* Update keyboards/dtisaac/dosa40rgb/rules.mk

* Update keyboards/dtisaac/cg108/info.json

* Update keyboards/dtisaac/cg108/keymaps/default/keymap.c

* Update keyboards/dtisaac/cg108/rules.mk

* Update keyboards/dtisaac/cg108/rules.mk

keyboards/dtisaac/cg108/config.h

@@ -0,0 +1,62 @@
+/*
+Copyright 2021 DTIsaac
+
+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
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID    0x4454 // DT
+#define PRODUCT_ID   0x4973 // Is
+#define DEVICE_VER   0x0002
+#define MANUFACTURER DTIsaac
+#define PRODUCT      CG108
+
+/* key matrix size */
+#define MATRIX_ROWS 11
+#define MATRIX_COLS 11
+
+/*
+ * Keyboard Matrix Assignments
+ *
+ * Change this to how you wired your keyboard
+ * COLS: AVR pins used for columns, left to right
+ * ROWS: AVR pins used for rows, top to bottom
+ * DIODE_DIRECTION: COL2ROW = COL = Anode (+), ROW = Cathode (-, marked on diode)
+ *                  ROW2COL = ROW = Anode (+), COL = Cathode (-, marked on diode)
+ *
+ */
+/* key matrix pins */
+#define MATRIX_ROW_PINS { F4, F1, F0, F5, F6, F7, D4, D5, D3, D2, D0 }
+#define MATRIX_COL_PINS { C7, C6, B4, D7, B3, B2, B0, E6, B1, D1, D6 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+#define LED_NUM_LOCK_PIN B5
+#define LED_CAPS_LOCK_PIN B6
+#define LED_SCROLL_LOCK_PIN B7
+#define LED_PIN_ON_STATE 0
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCE 5
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+#define LOCKING_SUPPORT_ENABLE
+/* Locking resynchronize hack */
+#define LOCKING_RESYNC_ENABLE