Allow package to be archived

[vtsykun]

Like Abandon action this feature must hide package from composer metadata, but zip download must be active.

Maybe useful for fork packages

doctrine/orm 2.10.2 -> satisfiable by doctrine/orm[2.10.2] from composer repo (https://repo.packagist.org) but doctrine/orm[dev-maintenance/2.5, dev-2.6-dev, v2.6.3] from composer repo (https://packages.example.com) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance