add not-so-minidox handwire keyboard (#3061)

* add not-so-minidox handwire keyboard

* corrected keymap

* multiple adjustments to not_so_minidox keyboard

* remove I2C master left define

* update default layer set function

* move solenoid code into userspace

* minor adjustments to config.h

* update keymaps to utilize userspace

* move features and config to userspace, correct build issue

* correct solenoid pin

* adjust defaults for solenoid pin and enable

* default solenoid to on for not_so_minidox

* disable RGBLIGHT_SLEEP for xd75

* tweaking solenoid enable/disable in userspace and keymaps

keyboards/handwired/not_so_minidox/split_util.h

@@ -0,0 +1,20 @@
+#ifndef SPLIT_KEYBOARD_UTIL_H
+#define SPLIT_KEYBOARD_UTIL_H
+
+#include <stdbool.h>
+#include "eeconfig.h"
+
+#define SLAVE_I2C_ADDRESS           0x32
+
+extern volatile bool isLeftHand;
+
+// slave version of matix scan, defined in matrix.c
+void matrix_slave_scan(void);
+
+void split_keyboard_setup(void);
+bool has_usb(void);
+void keyboard_slave_loop(void);
+
+void matrix_master_OLED_init (void);
+
+#endif