initializes the base for the firmware wizard

PWA based on ReactJs. Showcases the basic functionalities required
for the Firmware Selector.
Proof of Concept for the wizard with selection for vendor, model
and variants.

Signed-off-by: Sudhanshu Gautam <me@sudhanshug.com>
Initial commit from Create React App

src/App.test.js

@@ -0,0 +1,9 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+import App from './App';
+
+it('renders without crashing', () => {
+  const div = document.createElement('div');
+  ReactDOM.render(<App />, div);
+  ReactDOM.unmountComponentAtNode(div);
+});