Ability to customize folder item details #321

Checklist

• I made sure that there are no existing issues - open or closed - to which I could contribute my information.
• I made sure that there are no existing discussions - open or closed - to which I could contribute my information.
• I have read the FAQs inside the app (Menu -> About -> FAQs) and my problem isn't listed.
• I have taken the time to fill in all the required details. I understand that the request will be dismissed otherwise.
• This issue contains only one feature request.
• I have read and understood the contribution guidelines.

Feature description

Add a Folder details preference to customize what details appear below a folder in the list view. Options could be:

• Item count
• Total folder size (slow)
• Last modified time

Why do you want this feature?

Ability to opt in to view more information at a glance.

Additional information

Related issues:

• Display size of folders if option "Sort by Size" is activated #320
• Option to disable folder items info in a list view #184