More work.

Added chat service
Updated packet service to pass the tcp stream around in a Arc type.
Updated character position data to not require multiplying the coords
Added more debug logs
Added an interceptor for gRPC comms with the chat server
Updated build and push script for the chat server changes

chat-service/build.rs

@@ -0,0 +1,16 @@
+fn main() {
+    // gRPC Server code
+    tonic_build::configure()
+        .build_server(true) // Generate gRPC server code
+        .compile_well_known_types(true)
+        .type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
+        .compile_protos(&["../proto/chat.proto"], &["../proto"])
+        .unwrap_or_else(|e| panic!("Failed to compile protos {:?}", e));
+
+    // gRPC Client code
+    // tonic_build::configure()
+    //     .build_server(false) // Generate gRPC client code
+    //     .compile_well_known_types(true)
+    //     .compile_protos(&["../proto/user_db_api.proto", "../proto/auth.proto"], &["../proto"])
+    //     .unwrap_or_else(|e| panic!("Failed to compile protos {:?}", e));
+}