Refactor: refactored autopeering module

plugins/autopeering/saltmanager/events.go

plugins/autopeering/saltmanager/saltmanager.go

plugins/autopeering/saltmanager/types.go

plugins/autopeering/saltmanager/utils.go

plugins/autopeering/server/tcp/events.go

plugins/autopeering/server/tcp/server.go

plugins/autopeering/server/tcp/types.go

plugins/autopeering/server/udp/events.go

plugins/autopeering/server/udp/server.go

plugins/autopeering/server/udp/types.go

plugins/autopeering/types/peer/constants.go

plugins/autopeering/types/peer/peer.go

plugins/autopeering/types/peerlist/peer_list.go

plugins/autopeering/types/peerregister/peer_register.go

plugins/autopeering/types/ping/constants.go

plugins/autopeering/types/ping/errors.go

plugins/autopeering/types/ping/ping.go

plugins/autopeering/types/request/constants.go

plugins/autopeering/types/request/errors.go

plugins/autopeering/types/request/request.go