keyboards/anavi: Add ANAVI Knobs 3 (#18624)

keyboards/anavi/knobs3/keymaps/default/keymap.c

@@ -0,0 +1,10 @@
+// Copyright 2022 Leon Anavi <leon@anavi.org>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [0] = LAYOUT(
+        KC_MUTE, RGB_TOG, RGB_MOD
+    )
+};