Goal: 
At bottom of directory path tree view, we need to include a Add sub-folder (add sub-directory) action in a footer. This would show the new folder and user can name.

Goal based statement, with context. Can take the form of “As a <User/Actor>, I Want <to Achieve Some Goal>, so that <Some Reason/Context>”.

• <your text here>

Acceptance Criteria:

• Wireframe design that supports the currently PF capabilities.
• Plan for working with PF to evolve the pattern.
• This longer term solution may be a custom component.

Here is a UX github issue:https://github.com/instructlab/ui/issues/654
Dev PR - https://github.com/instructlab/ui/pull/682

A list of verification conditions, successful functional tests, or expected outcomes in order to declare this story/task successfully completed.

• <your text here>
• …