fix:long press hint

fix kt

fix null check

feat:method channel

feat:kt method channel

feat:long press to reset local backup dir

fix:default webdav path

fix webdav path

fix:i18n and webdav crash

Merge branch 'main' of https://github.com/zsakvo/Kakunin-Mobile

fix:language switch err

fix:i18n

Merge branch 'main' of https://github.com/zsakvo/Kakunin-Mobile

fix:license loading

update: open source libs