* chore(locales): Add "setManually" and "_time.month"
Add Japanese locales to auto-generate other languages.
* feat(frontend): Add text fields to set lockdown duration manually
Choose from presets or set it manually.
* refactor(frontend): Make objects contains option's values and labels
When adding a new option, it needed to write two times.
* docs(changelog): Add a description about this change
Users can notice what's changed by this PR.
* refactor(frontend): Manage state by MkSelect
The functions only initialize the values.
* refactor(frontend): Make the custom input as writable computed
Clean up the MkInput components.
* chore(locales): Switch to "custom"
A single word is better than sentence on this situation.
* refactor(frontend): Insert the custom button to presets
Users don't need to click multiple times to use prests.