changing folder name

packages/desktop/src/app.tsx

@@ -0,0 +1,12 @@
+import "./index.css";
+
+import * as React from "react";
+import * as ReactDOM from "react-dom";
+
+import NirvanaApp from "./nirvanaApp";
+
+function render() {
+  ReactDOM.render(<NirvanaApp />, document.getElementById("root"));
+}
+
+render();