Added copyright notice

keyboards/handwired/promethium/keymaps/priyadi/keymap.c

@@ -1,5 +1,17 @@
-// This is the canonical layout file for the Quantum project. If you want to add another keyboard,
-// this is the style you want to emulate.
+/*
+Copyright 2017 Priyadi Iman Nurcahyo
+
+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/>.
+*/
 
 #if defined(PRIYADI_PROMETHIUM)
   #include "promethium.h"