[FEATURE] Make the argument parser independent of seqan3.

[smehringer]

Overview of files

in include/ (checked = independent of seqan)

• all.hpp
• argument_parser.hpp
• auxiliary.hpp
• exceptions.hpp
• platform.hpp
• validators.hpp
• version.hpp
• detail
  • concept.hpp
  • format_base.hpp
  • format_help.hpp
  • format_html.hpp
  • format_man.hpp
  • format_parse.hpp
  • terminal.hpp
  • test_accessor
  • type_name_as_string
  • version_check.hpp

Steps

• Make include/ path independent
  • [MISC] Adapt include paths to new library. #4
  • [MISC] Change namespace  #7
  • [MISC] Remove dependency on char predicate in format_parse. #13
  • [MISC] Remove dependency of the seqan3 test_accessor. #14
  • [MISC] Remove dependency of seqan3::detail::type_name_as_string in format_base. #15
  • [MISC] Remove dependency of seqan3::detail::safe_filesystem_entry. #16
  • [MISC] Remove dependency of seqan3::views::join in validators. #17
  • [MISC] Remove dependency on type traits. #34
  • [MISC] Remove dependency of seqan3 shim std/charconv #35
  • [MISC] Remove dependency of seqan3::detail::customisation_point_object #36
  • [MISC] Remove dependency of seqan3::debug_stream and add HowTo #41
  • [MISC] Remove dependency of seqan3 IO #42
• Make test/ path independent
• Make snippet/ path independent
• Make infrastructure independent (a lot of scripts are used from the submodule for now)
• Remove submodule

Follow up

• [MISC] The Version Checker #31

[smehringer]

Dependency on seqan3 was successfully removed