Pre-eRFC: Crate name transfer

[newpavlov]

See also this Pre-RFC which addresses the same issue:

[Pre-RFC] Crates expropriation policy

Summary Define a policy for transferring crates ownership in the case if existing owners can not be reached. Motivation Most of the published crates have bus factor of 1, including crates with “generic” names, which users often will try first. Even today we can see examples of crate owner effective disappearance, which results in an unmaintained crate, deadlocked to the inactive owner. It leads to pollution of crates.io and negatively influences perceived quality of the crates ecosystem. It can…

For prior art take a look at PEP 541.

UPD: fixed the Pre-RFC link.