This MR scans the filesystem in the specified directory. It assembles a list of files from the scan and then presents that entire list to the UI. The UI then renders it.
Resolves: https://www.pivotaltracker.com/story/show/184466979
Co-authored-by: Savanni D'Gerinel <savanni@luminescent-dreams.com>
Reviewed-on: savanni/tools#24
