[Keyboard] Keebwerk MEGA Initial commit (#10777)

* Initial commit

- Add Keebwerk Mega pcb
- Update wilba rgb code

* Update keyboards/keebwerk/mega/ansi/keymaps/default/keymap.c

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/keebwerk/mega/ansi/keymaps/via/readme.md

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/keebwerk/mega/ansi/rules.mk

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/keebwerk/mega/ansi/keymaps/via/keymap.c

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/keebwerk/mega/ansi/keymaps/default/readme.md

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/keebwerk/mega/ansi/ansi.c

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/keebwerk/mega/ansi/ansi.c

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/keebwerk/mega/ansi/ansi.c

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/keebwerk/mega/ansi/ansi.c

Co-authored-by: Ryan <fauxpark@gmail.com>

Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/keebwerk/mega/keebwork_mega.c

@@ -0,0 +1,19 @@
+/* Copyright 2020 Yiancar
+ *
+ * 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/>.
+ */
+
+#ifndef RGB_BACKLIGHT_KW_MEGA
+#error RGB_BACKLIGHT_KW_MEGA not defined, recheck config.h
+#endif