Add grpc reflections

Signed-off-by: Nikolai Rodionov <allanger@badhouseplants.net>

Cargo.lock

@@ -477,6 +477,7 @@ dependencies = [
  "tokio",
  "tonic",
  "tonic-prost",
+ "tonic-reflection",
 ]
 
 [[package]]
@@ -1696,6 +1697,20 @@ dependencies = [
  "tonic-build",
 ]
 
+[[package]]
+name = "tonic-reflection"
+version = "0.14.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34da53e8387581d66db16ff01f98a70b426b091fdf76856e289d5c1bd386ed7b"
+dependencies = [
+ "prost",
+ "prost-types",
+ "tokio",
+ "tokio-stream",
+ "tonic",
+ "tonic-prost",
+]
+
 [[package]]
 name = "tower"
 version = "0.5.2"