* Add timetable entities, synchronization and UI
* Add better code hub config
* Update SDK tools
* Change activity to ui
* [API] fix lesson room, when division into groups
* [API] Rewrite lesson parser
* [API] Add support for new lesson type
* [API] Fix for substitutions in the timetable
* Fix bug with the number of grades in snackbar
* Add basic grade notification
* Add notification icons
* Add intent to notification
* Improve login activity appearance
* Improve dashboard appearance
* Small amendments
* Change splash logo
