[Keyboard] add shk9 macropad (#11505)

* added shk9 macropad

* updated readme

* removed json file

* updated config

* removed commented config

* fixed website address

* added bootloader mode info to readme

* remove midi enable rule

* fixed comment

* fixed default keymap

* changed layout to ortho

* fixed typo

* fixed broken layout

* pr changes

* added keymap spacing

keyboards/shk9/config.h

@@ -0,0 +1,51 @@
+/*
+Copyright 2020 Sam Hudson
+
+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    0x5348
+#define PRODUCT_ID   0x4B39
+#define DEVICE_VER   0x0001
+#define MANUFACTURER Superhuman
+#define PRODUCT      SHK9
+
+/* key matrix size */
+#define MATRIX_ROWS 3
+#define MATRIX_COLS 3
+
+/* Keyboard Matrix Assignments */
+#define MATRIX_ROW_PINS { B0, B1, B2 }
+#define MATRIX_COL_PINS { B3, B4, B5 }
+#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
+
+/* 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
+
+/* disable these deprecated features by default */
+#define NO_ACTION_MACRO
+#define NO_ACTION_FUNCTION