Update dir listing partial to accept local var
Update dir listing partial to accept local var

To allow places where creating an `@dir_to_list` var is not practical
(or good practice) to just pass a local variable `dir_to_list` to the
partial.

cody-code-wy/Fibre-Optic-Kitten,cody-code-wy/Fibre-Optic-Kitten,cody-code-wy/Fibre-Optic-Kitten