[Keyboard] Adalyn keyboard (#14184)

* first Adalyn commit

* fixed json and removed via

* fixed GPL headers and rules.mk

* fix extra space after gpl
add vial keymap

* Removed VIAL and revised rules.mk

* updating per request and completing readme

keyboards/adalyn/keymaps/default/config.h

@@ -0,0 +1,21 @@
+ /* Copyright TJ Campie
+  *
+  * 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
+
+#ifdef COMBO_ENABLE
+#    define COMBO_COUNT 5
+#    define COMBO_TERM 200
+#endif