* Add notification action to copy OTP or just inform about the copied OTP
The notification either shows the current OTP which can be copied by a notification action or it shows just a hint to inform about the copied OTP. This depends on the new option "autoCopyOTP".
* Extract method
* Set type and style one-time
* Allow to do something with a password after providing it in the extension
* Make fields non-nil
* Show OTP in notification after providing a password through extension
