fix router for ghpages

Author: daed

public/404.html

@@ -0,0 +1,5 @@
+<!-- filepath: public/404.html -->
+<script>
+  var path = window.location.pathname;
+  window.location.replace('/?redirect=' + encodeURIComponent(path));
+</script>

src/components/App.js

@@ -37,7 +37,7 @@ export default class App extends React.Component {
     render() {
         return (
             <ThemeProvider theme={theme}>
-            <Router>
+            <Router basename="/">
               <Routes>
                 <Route path="/" element={
                   <AppProvider>