Premiumize is another debrid provider. Add support in addition
to other debrid services.
Add a unified Magnet type that encloses both the link and hash
when needed for certain services.
A universal ASAuthenticationSession has been added to make implicit
authentication easier for services that support it.
Clean up declarations of certain variables that were mismanaged
during the debrid decentralization process.
Signed-off-by: kingbri <bdashore3@proton.me>
