feat: Bulk service management

[jackylamhk]

Feature description

Currently, services can only be managed individually. While I understand the logic, making it easier to group or delete multiple services at once can further streamline the user experience.

Motivation

The 2FAS iOS app is intuitive and easy to use, but more can be done to enhance the UX.

Acknowledgements

• This issue is not a duplicate of an existing feature request.
• I have chosen an appropriate title.
• All requested information has been provided properly.

[adocyn]

Hi, this requires some major work on list, but I've added that to backlog.