Add file type recognition from file attributes

[Argmaster]

I have verified that this feature is not listed as implemented in README.md on main branch (yes/no) YES

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Describe how this feature should work

Detect file attributes which indicate file type (copper/silk etc.)

Describe syntax of this feature

N/A

Describe why this supporting this feature is important

This would further simplify command line interface.

Visual effect screenshots

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Additional context

N/A