Added ROADMAP.md

ROADMAP.md

+# Todo
+* Clear Plan Cache when changing additional classes
+* Remove/Replace deprecated functions
+* Call a lawyer - data-policy and impressum ;)
+* Keyboard does not close on Login
+* Make Toolbar hide after collapsing, but keep TabLayout (Only show TabLayout at top)
+* Delete all cached data on Logout (User + VPlancache) except Username
+
+# Known Bugs 
+* TabText not displays correctly when loading information from Cache
+* Keyboard does not open when pressing Search FAB after SearchLayout was opened
+* Additional Classes Dialog does not use ColorScheme
+
+# Features / Ideas
+* Find my Room
+* Timetable - how to get the data?
+* Push
+
+# Changelog
+## 0.2b
+* Tons of BugFixes
+* First Release in Beta
+
+## Unversioned 8
+* Added additional classes for pupils and teachers
+
+## Unversioned 7
+* Filter plan entries
+* Fixed FAB appearance
+* Fixed SearchLayout display
+
+## Unversioned 6
+* Added: Absent teachers and marquee in menu
+* SwipeToRefresh
+
+## Unversioned 5
+* Fixed: Fragments never detached
+
+## Unversioned 4
+* Bug fixes
+
+## Unversioned 3
+* Caching
+
+## Unversioned 2
+* Logout and Account information
+
+## Unversioned 1
+* Basic implementation of Login and Plan display