SEBA-829 update cordctl to use go mod;
implement run, install, help

Change-Id: I72716d2e245d5ef0dc0603aad149843723ddff9e
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..3fbb875
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,16 @@
+module github.com/opencord/cordctl
+
+go 1.12
+
+require (
+	github.com/fullstorydev/grpcurl v1.4.0
+	github.com/go-errors/errors v1.0.1
+	github.com/golang/protobuf v1.3.2
+	github.com/hashicorp/go-version v1.2.0
+	github.com/jessevdk/go-flags v1.4.0
+	github.com/jhump/protoreflect v1.5.0
+	github.com/stretchr/testify v1.4.0
+	golang.org/x/net v0.0.0-20191021144547-ec77196f6094
+	google.golang.org/grpc v1.24.0
+	gopkg.in/yaml.v2 v2.2.4
+)