Merge pull request #16 from iotaledger/chore/linter

.golangci.yml

packages/database/database.go

packages/datastructure/doubly_linked_list_test.go

packages/datastructure/lru_cache_test.go

packages/iac/iac.go

packages/typeutils/typeutils.go

plugins/analysis/server/constants.go

plugins/analysis/server/plugin.go

plugins/analysis/types/addnode/constants.go

plugins/analysis/types/addnode/packet.go

plugins/analysis/types/connectnodes/constants.go

plugins/analysis/types/connectnodes/packet.go

plugins/analysis/types/disconnectnodes/constants.go

plugins/analysis/types/disconnectnodes/packet.go

plugins/analysis/types/ping/constants.go

plugins/analysis/types/ping/packet.go

plugins/analysis/types/removenode/constants.go

plugins/analysis/types/removenode/packet.go

...s/analysis/webinterface/recordedevents/recorded_events.go

plugins/autopeering/server/tcp/server.go