Add Big Switch Seat (#16524)

* Add Big Switch Seat

* Update keyboards/keebio/bigswitchseat/rules.mk

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/keebio/bigswitchseat/rules.mk

Co-authored-by: Ryan <fauxpark@gmail.com>

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/keebio/bigswitchseat/keymaps/via/keymap.c

@@ -0,0 +1,27 @@
+// Copyright 2021 Danny Nguyen (@nooges)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+// Defines names for use in layer keycodes and the keymap
+enum layer_names {
+    _MAIN,
+    _FN1,
+    _FN2,
+    _FN3
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [_MAIN] = LAYOUT(
+        KC_A
+    ),
+    [_FN1] = LAYOUT(
+        _______
+    ),
+    [_FN2] = LAYOUT(
+        _______
+    ),
+    [_FN3] = LAYOUT(
+        _______
+    )
+};

keyboards/keebio/bigswitchseat/keymaps/via/rules.mk

@@ -0,0 +1,2 @@
+VIA_ENABLE = yes
+LTO_ENABLE = yes