Planner Timetable with alarm f

Feb 16, 2020

version 1.4.5:
- 1.Add TODO function
- 2.Fix bug that timetable is not deleted.
- 3. Fix various bugs.
version 1.4.3:
- 1. Menu-Design and setting change remake
- 2. Update Damda Timer
- 3. Change timer ranking function

version 1.4.1:
- Fixed bugs.
- The Study Dashboard feature has been updated.

version 1.4.0:
- Fixed Alarm logic.
- Update UI