Choose Wallpaper Folder and Rotate Through Wallpapers

[ghost]

Prerequisites

• [x ] I have searched open and closed issues for duplicates.

Feature

Describe the solution you'd like
It would be nice to be able to chose your wallpaper folder. Secondly the ability to auto cycle through them without a third party app.

Existing work
Need third party app to do this now.

Describe alternatives you've considered
Third party app

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