Feat: intermediary commit gossip protocol

plugins/autopeering/instances/ownpeer/instance.go

plugins/autopeering/plugin.go

plugins/gossip/errors.go

plugins/gossip/events.go

plugins/gossip/neighbors.go

plugins/gossip/plugin.go

plugins/gossip/protocol.go

plugins/gossip/protocol_v1.go

plugins/gossip/server.go