[Keyboard] Add Baumkuchen (#20766)

Co-authored-by: Joel Challis <git@zvecr.com>
Co-authored-by: Drashna Jaelre <drashna@live.com>

keyboards/takashicompany/baumkuchen/keymaps/default/keymap.c

@@ -0,0 +1,19 @@
+// Copyright 2023 takashicompany (@takashicompany)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [0] = LAYOUT(
+        KC_Q, KC_W, KC_E, KC_R,
+        KC_A, KC_S, KC_D, KC_F,
+        KC_Z, KC_X, KC_C, LT(1, KC_V), KC_B,
+                                KC_NO, KC_NO
+    ),
+    [1] = LAYOUT(
+        RGB_TOG, RGB_MOD, KC_TRNS, KC_TRNS,
+        KC_TRNS, RGB_HUI, RGB_SAI, RGB_VAI,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+                                   KC_TRNS, KC_TRNS
+    )
+};