Add documentation that covers the creation of new map themes to the doxygen documentation.
completed by: ☃ snowman
mentors: Torsten Rahn, Utku Aydın, Dennis Nienhüser
1. Check out http://docs.kde.org/development/en/kdeedu/marble/introduction.html and the other pages of the Marble user documentation
2. Make yourself familiar with the creation of map themes. E.g.:
3. Make yourself familiar with KDE's documentation creation and policies.
4. Extend the current user documentation to include a good introduction into the creation of map themes (e.g. using the integrated wizard).