Notification categories

[nyorbee]

Please agree to the following

• [X] I have searched existing issues for duplicates
• [X] I agree to follow this project's Code of Conduct

Summary

Please add categories to notifications.

Motivation

For example I would like to hide notifications that tell how many volts are open, but have notification when files are uploading :)

Considered Alternatives

No response

Anything else?

No response