argument_parser → io Relation

File in seqan3/argument_parser	Includes file in seqan3/io
auxiliary.hpp	stream / io/stream/concept.hpp
validators.hpp	detail / io/detail/misc.hpp
validators.hpp	detail / safe_filesystem_entry.hpp
detail / version_check.hpp	detail / io/detail/misc.hpp
detail / version_check.hpp	detail / safe_filesystem_entry.hpp