QMK Configurator Support for NIU Mini (#2874)

* QMK Configurator support for niu mini

* Fix naming

* looks like I messed up the include

keyboards/niu_mini/keymaps/default/keymap.c

@@ -1,4 +1,4 @@
-#include "niu_mini.h"
+#include QMK_KEYBOARD_H
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 

keyboards/niu_mini/keymaps/mason/keymap.c

@@ -1,4 +1,4 @@
-#include "niu_mini.h"
+#include QMK_KEYBOARD_H
 
 enum layers {
   _QWERTY,

keyboards/niu_mini/keymaps/planck/keymap.c

@@ -14,7 +14,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "niu_mini.h"
+#include QMK_KEYBOARD_H
 #include "action_layer.h"
 
 extern keymap_config_t keymap_config;

keyboards/niu_mini/niu_mini.h

@@ -10,10 +10,10 @@
 	k30, k31, k32, k33, k34,    k35,   k37, k38, k39, k3a, k3b \
 ) \
 { \
-	{ k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0a, k0b }, \
-	{ k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1a, k1b }, \
-	{ k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2a, k2b }, \
-	{ k30, k31, k32, k33, k34, k35, k35, k37, k38, k39, k3a, k3b } \
+	{ k00, k01, k02, k03, k04, k05, k06,   k07, k08, k09, k0a, k0b }, \
+	{ k10, k11, k12, k13, k14, k15, k16,   k17, k18, k19, k1a, k1b }, \
+	{ k20, k21, k22, k23, k24, k25, k26,   k27, k28, k29, k2a, k2b }, \
+	{ k30, k31, k32, k33, k34, k35, KC_NO, k37, k38, k39, k3a, k3b } \
 }
 
 #define LAYOUT_grid( \