[Keyboard] Add superuser keyboard (#13840)

Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/superuser/ext/config.h

@@ -0,0 +1,54 @@
+/*
+Copyright 2021 superuser
+
+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       0x5355
+#define PRODUCT_ID      0x4558
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    superuser
+#define PRODUCT         ext
+
+
+/* key matrix size */
+#define MATRIX_ROWS 5
+#define MATRIX_COLS 19
+
+/*
+ * 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)
+ *
+*/
+#define MATRIX_ROW_PINS { D0, D1, D2, D3, D5 }
+#define MATRIX_COL_PINS { B2, B1, F0, F1, F4, F5, F6, F7, C7, C6, B6, B5, B4, D7, D6, D4, E6, B0, B3}
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL*/
+#define DIODE_DIRECTION COL2ROW
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCE 5
+
+#define LED_CAPS_LOCK_PIN B7