Migrate forks in monorepo

controller/configs/ci-testing-gosdn.toml

controller/nucleus/gnmi_transport.go

controller/nucleus/gnmi_transport_test.go

controller/nucleus/initialise_test.go

controller/nucleus/principalNetworkDomain.go

controller/test/integration/nucleusIntegration_test.go

controller/test/targets.go

csbi/resources/csbi.go

csbi/resources/go.mod

csbi/resources/go.sum

forks/LICENSE

forks/README.md

forks/goarista/gnmi/arbitration.go

forks/goarista/gnmi/arbitration_test.go

forks/goarista/gnmi/client.go

forks/goarista/gnmi/json.go

forks/goarista/gnmi/operation.go

forks/goarista/gnmi/operation_test.go

forks/goarista/gnmi/path.go

forks/goarista/gnmi/path_test.go