Keyboard: Add new keyboard Zinc (#4245)

* Add Zinc keyboard

* Fix photo

* Fix readme.md

* Fix RGB LED init of monks/keymap.c

* Fix default keymap and readme.jp

* Fix change DEFS of RGB ANIMATIONS to LED_ANIMATIONS

* Add EOL

* Use serial_config_simpleapi.h

* Fix comment char

* Fix error handling in split_scomm.c : mtei works

* Fix keymaps

* Remove DISABLE_LEADER definition

* Remove pro_micro.h

* Add 2 spaces after Hardware name

* Fix keymaps
  - remove audio codes
  - change LAYOUT to LAYOUT_ortho_4X12
  - change "persistent_default_layer_set" to core function

* Use the Community Layouts feature
  -  with some clean up

keyboards/zinc/rev1/rev1.h

@@ -0,0 +1,44 @@
+#pragma once
+
+#include "../zinc.h"
+
+//void promicro_bootloader_jmp(bool program);
+#include "quantum.h"
+
+#ifdef RGBLIGHT_ENABLE
+//rgb led driver
+#include "ws2812.h"
+#endif
+
+#ifdef USE_I2C
+#include <stddef.h>
+#ifdef __AVR__
+  #include <avr/io.h>
+  #include <avr/interrupt.h>
+#endif
+#endif
+
+//void promicro_bootloader_jmp(bool program);
+
+
+
+// Standard Keymap
+// (TRRS jack on both halves are to the left side)
+#define LAYOUT( \
+  L00, L01, L02, L03, L04, L05,           R00, R01, R02, R03, R04, R05, \
+  L10, L11, L12, L13, L14, L15,           R10, R11, R12, R13, R14, R15, \
+  L20, L21, L22, L23, L24, L25,           R20, R21, R22, R23, R24, R25, \
+  L30, L31, L32, L33, L34, L35,           R30, R31, R32, R33, R34, R35  \
+  ) \
+  { \
+    { L00, L01, L02, L03, L04, L05}, \
+    { L10, L11, L12, L13, L14, L15}, \
+    { L20, L21, L22, L23, L24, L25}, \
+    { L30, L31, L32, L33, L34, L35}, \
+    { R00, R01, R02, R03, R04, R05 }, \
+    { R10, R11, R12, R13, R14, R15 }, \
+    { R20, R21, R22, R23, R24, R25 }, \
+    { R30, R31, R32, R33, R34, R35 }, \
+  }
+
+#define LAYOUT_ortho_4x12 LAYOUT