Add initial support for the Makey Makey Classic (#16658)

keyboards/makeymakey/makeymakey.h

@@ -0,0 +1,32 @@
+/* Copyright 2022 Jose Pablo Ramirez <jp.ramangulo@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "quantum.h"
+
+// clang-format off
+ #define LAYOUT( \
+    K00, K01, K02, K03, K04, K05, \
+    K10, K11, K12, K13, K14, K15, \
+    K20, K21, K22, K23, K24, K25  \
+ ) \
+ { \
+    { K00, K01, K02, K03, K04, K05 }, \
+    { K10, K11, K12, K13, K14, K15 }, \
+    { K20, K21, K22, K23, K24, K25 }  \
+ }
+// clang-format on