Satori Japanese Dictionary

10/6/2019

- removed storage access permissions
- add `Backup and restore` screen
- changed data format
- old data will not be loaded, but can be imported form `Backup and restore` screen
- improved search speed, but memory usage also increased
- add search history
- add `OR/AND` switch for filtering by tags
- add `Kanji notes` screen
- add `Help` screen
- add TTS (text-to-speech)
- knowledge level can be increased only by testing
- lots of other UI improvements