rename binaries for clarity, and first pass of connect_to_servers test util

backend/telemetry_shard/src/json_message/mod.rs

@@ -0,0 +1,7 @@
+//! This module contains the types we need to deserialize JSON messages from nodes
+
+mod hash;
+mod node_message;
+
+pub use hash::Hash;
+pub use node_message::*;