Added GPLv3 license and CoC

CoC.md

@@ -0,0 +1,7 @@
+# Go Fuck Yourself
+
+Offended? Go away. We don't need people who are offended because of a stranger on the internet.  
+Not offended? You're welcome to contribute.
+
+© Copyright 2015 [WTFCoC Consortium Committee](https://github.com/mniip/wtfcoc).
+

README.md

@@ -4,10 +4,9 @@
 
 > Copyright (C) 2018, Maksim Likhachev, <envrm@yandex.ru>
 >
-> This program is free software: you can redistribute it and/or modify
+> This program is free software: you can redistribute it and/or modify it
-> it under the terms of the GNU General Public Licence as published by
+> under the terms of the GNU General Public License as published by the Free
-> the Free Software Foundation, either version 3 of the Licence, or
+> Software Foundation, version 3.
-> (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