feat: initialize project structure, modules and configurations

tests/module_a_test.rs

@@ -0,0 +1,16 @@
+use nosync::{ModuleA, SharedMessage};
+
+#[tokio::test]
+async fn test_integration_module_a() {
+    let module_a = ModuleA::new("integration-a".to_string()).expect("Failed to create ModuleA");
+    let msg = SharedMessage {
+        id: 999,
+        content: "Integration content".to_string(),
+    };
+    let res = module_a
+        .process_message(msg)
+        .await
+        .expect("Failed to process");
+    assert!(res.contains("integration-a"));
+    assert!(res.contains("Integration content"));
+}