core库demo更新

examples/core-demos/src/demos/index.ts

@@ -0,0 +1,12 @@
+import { DemoBase } from './DemoBase';
+import { SerializationDemo } from './SerializationDemo';
+import { WorkerSystemDemo } from './WorkerSystemDemo';
+
+export { DemoBase, SerializationDemo, WorkerSystemDemo };
+
+// Demo注册表
+export const DEMO_REGISTRY: typeof DemoBase[] = [
+    SerializationDemo,
+    WorkerSystemDemo,
+    // 更多demos可以在这里添加
+];