Add canvas interface (#461)

lib/editor/react-renderer.tsx

@@ -0,0 +1,11 @@
+import { createRoot } from "react-dom/client";
+
+export class ReactRenderer {
+  static render(component: React.ReactElement, dom: HTMLElement) {
+    const root = createRoot(dom);
+    root.render(component);
+    return {
+      destroy: () => root.unmount(),
+    };
+  }
+}