Add README.md

+# token
+
+This is a C implementation of a crypted token the holds json data.
+
+## Synopsis
+
+[unknown]
+
+## Description
+
+The original implementation was done in PHP from me and my collegues.
+It took the concept and made my own implementation from it.
+
+## Requirements
+
+ * Gnu C
+
+## Contributing
+
+Just email me.
+
+## License
+
+GNU General Public License Version 3 (GPLv3)
+
+> 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 3 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/>.
+
+## Author
+
+Georg Hopp <<georg@steffers.org>>