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.js

@@ -0,0 +1,38 @@
+import React from 'react';
+import { BrowserRouter as Router, Route, Switch } from "react-router-dom";
+import './App.scss';
+
+import { createMuiTheme } from '@material-ui/core/styles';
+import { ThemeProvider } from '@material-ui/styles';
+import Header from './components/header.js'
+import Home from './containers/home/home';
+import NotFound from './containers/not-found/not-found';
+
+const theme = createMuiTheme({
+  palette: {
+    primary: {
+      main: '#3F51B5',
+    },
+    secondary: {
+      main: '#009688',
+    },
+  },
+});
+
+function App() {
+  return (
+    <ThemeProvider theme={theme}>
+      <div className="App">
+        <Header></Header>
+        <Router>
+          <Switch>
+            <Route exact path="/" component={Home}></Route>
+            <Route default component={NotFound}></Route>
+          </Switch>
+        </Router>
+      </div>
+    </ThemeProvider>
+  );
+}
+
+export default App;