Allow Exclude By Directory

[elmpp]

Is your feature request related to a problem? Please describe.
When enabling "Handle all attachments", the "Exclude extension pattern" is too limited to prevent my use case

Describe the solution you'd like
I would like for, e.g. .csv files to be renamed but only outside of some protected directories. In my use case, i have another extension that writes csv files into a directory with incremented filenames, e.g. backup-1.csv. The renaming logic here is incompatible with that.

I'd like either:

• "Exclude extension pattern" to be changed into a "Exclude pattern" which enables matching against a relative path
• An additional "Exclude directory pattern" to be added to allow matching against a relative path

Describe alternatives you've considered
Only way is to disable .csv entirely but i've come to rely on the note-title convention in many places

Additional context
Add any other context or screenshots about the feature request here.