Update demo app title

Author: rafgraph

demo/public/index.html

@@ -23,7 +23,7 @@
       work correctly both with client-side routing and a non-root public URL.
       Learn how to configure a non-root public URL by running `npm run build`.
     -->
-    <title>React Interactive</title>
+    <title>React Interactive Demo</title>
 
     <style>
       html { background-color: rgb(0, 120, 0); }

demo/src/App.test.tsx

@@ -2,7 +2,7 @@ import { render } from '@testing-library/react';
 import { MemoryRouter } from 'react-router-dom';
 import { App } from './App';
 
-describe('renders links to rollpkg', () => {
+describe('renders links', () => {
   const { container } = render(
     <MemoryRouter>
       <App />