add nodu keyboard (#11233)

* add nodu keyboard

* fix info.json

* limit via to 3 layers

Co-authored-by: Swiftrax <swiftrax@gmail.com>

keyboards/handwired/swiftrax/nodu/config.h

@@ -0,0 +1,47 @@
+/*
+Copyright 2020 Swiftrax <swiftrax@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       0x04D8
+#define PRODUCT_ID      0xEA6E
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    Swiftrax
+#define PRODUCT         Nodu
+/* key matrix size */
+#define MATRIX_ROWS 5
+#define MATRIX_COLS 14
+
+// ROWS: Top to bottom, COLS: Left to right
+
+#define MATRIX_ROW_PINS { B0, B3, F5, F4, F1 }
+#define MATRIX_COL_PINS { F0, B7, C7, C6, B6, B5, B4, D7, D6, D5, D3, D2, D1, D0 }
+
+/* COL2ROW or ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+/* define if matrix has ghost */
+//#define MATRIX_HAS_GHOST
+
+/* Set 0 if debouncing isn't needed */
+#define DEBOUNCE 5
+
+/*EEPROM for via*/
+#define DYNAMIC_KEYMAP_LAYER_COUNT 3