Removes photo duplicates for given directory.
If available in Hex, the package can be installed
by adding photodups to your list of dependencies in mix.exs:
def deps do
[{:photodups, "~> 0.1.0"}]
endDocumentation can be generated with ExDoc and published on HexDocs. Once published, the docs can be found at https://hexdocs.pm/photodups.