[Keymap] A Colemak keymap for the crkbd keyboard (#16550)

keyboards/crkbd/keymaps/colemad/layers.h

@@ -0,0 +1,10 @@
+// Copyright 2022 Álvaro Cortés (@ACortesDev)
+// SPDX-License-Identifier: GPL-2.0-or-later
+#pragma once
+
+enum custom_layers {
+    _COLEMAK,
+    _LOWER,
+    _RAISE,
+    _ADJUST,
+};