Add crux-recentf-find-directory

[mpolden]

Adds crux-recentf-find-directory for opening recent directories. Complements the existing crux-recentf-find-file.

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[bbatsov]

Alternatively you can make this some private helper function and have a single command be used for files and directories depending on whether it was used with a prefix argument (e.g. C-u C-c f). I don't have a strong preference either way, though - just something that came to my mind.

[mpolden]

I don't have a strong preference either. Your call 🙂