gmmk/pro/mike1808 keymap (#13398)

* Add gmmk/pro/mike1808 keymap

* Add licenses

* Update readme

* Add underglow support for rgb matrix layers

* Change FN to TT

* Fix rgb layer disabling during rgb settings change

* also clean up some code

keyboards/gmmk/pro/keymaps/mike1808/config.h

@@ -0,0 +1,31 @@
+/* Copyright 2021 Mikael Manukyan <arm.localhost@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/>.
+ */
+
+#define COMBO_COUNT 1
+#define COMBO_TERM 100
+
+#define RGB_MATRIX_KEYPRESSES
+#define RGB_DISABLE_WHEN_USB_SUSPENDED true
+#define RGB_DISABLE_TIMEOUT 90000
+
+#define MACRO_TIMER 5
+
+#define TAPPING_TOGGLE 3
+
+#define WPM_SMOOTHING 0.1
+
+// this is for macOS so keyboard can work after sleep
+#define NO_USB_STARTUP_CHECK