add piwik

src/App.js

@@ -170,12 +170,10 @@ export default function App() {
     );
 
   return (
-    // add piwik later
-    // history={piwik.connectToHistory(customHistory)}
     <>
         {!awaitTest &&
         <React.Suspense fallback={<LoadingScreen/>}>
-            <BrowserRouter>
+            <BrowserRouter history={piwik.connectToHistory(customHistory)}>
                 <Header />
                 <div
                     style={{