Bug fixes

Version [0.0.20] - 2020-12-02

• fixed progressbar - only count songs that are not yet local
• fixed crash on sync empty playlist (progress divide by 0)
• fixed initial Sync setup (removed deprecated methods)
• fixed crashes on Error handling
• fixed hot reloading of settings
• refactor of menus
• added last sync time record
• added support for descentmk2 device