Change Details

2 subcommands: - one to load - one to instrospect the loader's needed arguments Related to T2134

2 subcommands: - one to load: `swh loader run <type> <url> <options>` - one to list supported loader or instrospect the loader's extra arguments (most of the time url should be enough but not always) `swh loader list` `swh loader list <type>` Related to T2134

2 subcommands: - one to load: `swh loader run <type> <url> <options>` - one to instrospect the loader's needed argumentslist supported loader or instrospect the loader's extra arguments (most of the time url should be enough but not always) `swh loader list` `swh loader list <type>` Related to T2134