Search for duplicate files

Search for duplicate files based on hash values.

"https://mni.wikipedia.org/wiki/ꯑꯈꯟꯅꯕ:FileDuplicateSearch" ꯃꯐꯝꯗꯨꯗꯒꯤ ꯂꯧꯈꯠꯂꯛꯄꯥ