[move-resources] impl MoveResource for DiscoverySetResource
[move-resources] impl MoveResource for DiscoverySetResource

Closes: #3394
Approved by: zekun000

libra/libra,aptos-labs/aptos-core,libra/libra,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra,libra/libra