Change go module paths

Dockerfile

README.md

api/apiIntegration_test.go

api/api_test.go

api/grpc.go

api/initialise_test.go

api/pnd.go

api/pnd_test.go

build/cd/deploy.go

build/ci/.build-container.yml

build/ci/.test.yml

cmd/gosdn/main.go

cmd/root.go

controller.go

database/client.go

go.mod

go.sum

interfaces/change/change.go

interfaces/device/device.go

interfaces/networkdomain/pnd.go