[Keyboard] Add Chouchou keyboard (#21699)

keyboards/chouchou/keymaps/default/keymap.c

@@ -0,0 +1,11 @@
+// Copyright 2023 Dane Lipscombe (@dlip)
+// SPDX-License-Identifier: GPL-2.0-or-later
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [0] = LAYOUT_split_2x4_2(
+        KC_A,         KC_B,      KC_C,         KC_D,            KC_N,       KC_M,        KC_L,      KC_K,
+        KC_E,         KC_F,      KC_G,         KC_H,            KC_R,       KC_Q,        KC_P,      KC_O,
+                                 KC_I,         KC_J,            KC_T,       KC_S
+    ),
+};