- add: logout grpc function

- add: logout packet handler
- add: connection state and service for storing connection data
- add: session service calls to auth-service
- fix: compile error on database service due to moved redis cache

auth-service/src/lib.rs

@@ -4,10 +4,14 @@ pub mod database_client;
 
 pub mod users;
 pub mod auth {
-    tonic::include_proto!("auth"); // Path matches the package name in auth.proto
+    tonic::include_proto!("auth");
 }
 pub mod database {
-    tonic::include_proto!("user_db_api"); // Matches package name in user_db_api.proto
+    tonic::include_proto!("user_db_api");
+}
+
+pub mod session {
+    tonic::include_proto!("session_service_api");
 }
 
 #[cfg(test)]