Add service layer to abstract business logic

Signed-off-by: Lee Smet <lee.smet@hotmail.com>

src/main.rs

@@ -82,8 +82,11 @@ async fn main() {
         .await
         .expect("Failed to connect to Redis");
 
+    // Initialize Service
+    let service = herocoordinator::service::AppService::new(redis);
+
     // Shared application state
-    let state = Arc::new(herocoordinator::rpc::AppState::new(redis));
+    let state = Arc::new(herocoordinator::rpc::AppState::new(service));
 
     // Build RPC modules for both servers
     let http_module = herocoordinator::rpc::build_module(state.clone());