[Keyboard] Added A. Dux keyboard configurations (#14320)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/a_dux/config.h

@@ -0,0 +1,76 @@
+/* Copyright 2018-2020 ENDO Katsuhiro <ka2hiro@curlybracket.co.jp> David Philip Barr <@davidphilipbarr> Pierre Chevalier <pierrechevalier83@gmail.com>
+
+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       0xC2AB
+#define PRODUCT_ID      0x3939
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    tapioki
+#define PRODUCT         Architeuthis dux
+
+/* key matrix size */
+#define MATRIX_ROWS 8
+#define MATRIX_COLS 5
+
+/*
+ * 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)
+ *                  NO_DIODE = switches are directly connected to AVR pins
+ *
+*/
+#define DIRECT_PINS { \
+    { C6, D2, F7, B2, F4 }, \
+    { D7, D0, F6, B3, F5 }, \
+    { E6, D4, D3, B1, B6 }, \
+    { B4, B5, NO_PIN, NO_PIN, NO_PIN } \
+}
+
+#define DIRECT_PINS_RIGHT  { \
+    { F4, B2, F7, D2, C6 }, \
+    { F5, B3, F6, D0, D7 }, \
+    { B6, B1, D3, D4, E6 }, \
+    { B5, B4, NO_PIN, NO_PIN, NO_PIN } \
+}
+
+
+
+#define UNUSED_PINS
+
+/* 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
+
+/* Serial settings */
+#define USE_SERIAL
+
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D1
+
+#define EE_HANDS