Add B1gtuna Miuni32

Miuni32 is a 30% ortholinear board.
Please visit www.bigtuna.io for more information.

keyboards/miuni32/keymaps/default/Makefile

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+# Build Options
+#   change to "no" to disable the options, or define them in the Makefile in 
+#   the appropriate keymap folder that will get included automatically
+#
+BOOTMAGIC_ENABLE = no       # Virtual DIP switch configuration(+1000)
+MOUSEKEY_ENABLE = yes       # Mouse keys(+4700)
+EXTRAKEY_ENABLE = yes       # Audio control and System control(+450)
+CONSOLE_ENABLE = no         # Console for debug(+400)
+COMMAND_ENABLE = yes        # Commands for debug and configuration
+NKRO_ENABLE = yes           # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+MIDI_ENABLE = no            # MIDI controls
+AUDIO_ENABLE = no           # Audio output on port C6
+UNICODE_ENABLE = no         # Unicode
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+RGBLIGHT_ENABLE = yes        # Enable WS2812 RGB underlight.  Do not enable this with audio at the same time.
+SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
+
+ifndef QUANTUM_DIR
+	include ../../../../Makefile
+endif

keyboards/miuni32/keymaps/default/config.h

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+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+// place overrides here
+
+#endif

keyboards/miuni32/keymaps/default/keymap.c

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+#include "miuni32.h"
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+[0] ={
+       {KC_Q,   KC_W,   KC_E,   KC_R,   KC_T,   KC_Y,   KC_U,   KC_I,   KC_O,   KC_P,   KC_BSPC},
+       {KC_A,   KC_S,   KC_D,   KC_F,   KC_G,   KC_H,   KC_J,   KC_K,   KC_L,   KC_RSFT, KC_ENT},
+       {KC_Z,   KC_X,   KC_C,   KC_V,   KC_V,  KC_SPC, KC_B,   KC_N,   KC_M ,  MO(1), KC_RCTL}
+     },
+[1] ={
+       {KC_PGUP,  KC_UP,    KC_PGDN,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_DEL},
+       {KC_LEFT,  KC_DOWN,  KC_RGHT,  KC_TRNS,  KC_HOME,  KC_LEFT,  KC_DOWN,  KC_UP,    KC_RGHT,  KC_END,   KC_TRNS},
+       {RGB_TOG,  RGB_HUI,  RGB_HUD,  RGB_SAI,  KC_TRNS,  RGB_SAD,  RGB_VAI,  RGB_VAD, KC_TRNS, KC_TRNS, RGB_MOD},
+     }
+};
+const uint16_t PROGMEM fn_actions[] = {
+
+};
+
+const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
+{
+  // MACRODOWN only works in this function
+      switch(id) {
+        case 0:
+          if (record->event.pressed) {
+            register_code(KC_RSFT);
+          } else {
+            unregister_code(KC_RSFT);
+          }
+        break;
+      }
+    return MACRO_NONE;
+};
+
+
+void matrix_init_user(void) {
+
+}
+
+void matrix_scan_user(void) {
+
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  return true;
+}
+
+void led_set_user(uint8_t usb_led) {
+
+}

keyboards/miuni32/keymaps/default/readme.md

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+# The default keymap for miuni32