* Add Grace Period value and settings
* Add functions to calculate nextUpdate
* update per review
* Move more into SetMangaUpdateInterval, keep wrapper
(cherry picked from commit c90f3449108a8362fea1ee9070979b5a14be9be5)
# Conflicts:
# app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsLibraryScreen.kt
# domain/src/main/java/tachiyomi/domain/library/service/LibraryPreferences.kt