Router changed to BrowserRouter

Router was causing bug that prevented render when Link was clicked

src/components/App.js

@@ -1,16 +1,22 @@
 import React from 'react';
-import { Router, Route } from 'react-router-dom';
+import { BrowserRouter, Route, Switch } from 'react-router-dom';
 import Navigation from './Navigation';
 import history from '../history';
 import Home from './Home';
+import Github from './Github';
 
-function App() {
+const App = (props) => {
     return (
       <div className="App">
-      <Router history={history}>
+        <BrowserRouter history={history}>
+          <div>
             <Navigation />
+            <Switch>
               <Route path="/" exact component={Home} />
-      </Router>
+              <Route path="/github" component={Github} />
+            </Switch>
+          </div>
+        </BrowserRouter>
       </div>
     );
 }