[VOL-4638] Add communication with VOLTHA NBI and the Olt app REST APIs

Change-Id: I6ccf5725a108b91f47dfc4c20e9614b38c71419a
diff --git a/go.mod b/go.mod
index 94c94f2..7002900 100644
--- a/go.mod
+++ b/go.mod
@@ -9,6 +9,9 @@
 )
 
 require (
+	github.com/golang/protobuf v1.5.2
 	github.com/opencord/voltha-lib-go/v7 v7.1.5
+	github.com/opencord/voltha-protos/v5 v5.2.3
 	github.com/stretchr/testify v1.7.0
+	google.golang.org/grpc v1.44.0
 )