- update: major refactor of the database-service to make it easy to add newer api services

- add: character database api

database-service/src/grpc/database_service.rs

@@ -0,0 +1,7 @@
+use crate::db::Database;
+use std::sync::Arc;
+
+#[derive(Clone)]
+pub struct MyDatabaseService {
+    pub db: Arc<Database>, // Use the Database struct from users.rs
+}