Add url strategy support

lib/main.dart

@@ -4,11 +4,12 @@ import 'package:page_transition/page_transition.dart';
 import 'package:animated_splash_screen/animated_splash_screen.dart';
 
 import 'package:nekoya_flutter/components/menu.dart';
+import 'package:nekoya_flutter/utils/url_strategy.dart';
 
 void main() {
   WidgetsFlutterBinding.ensureInitialized();
-  SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp])
-      .then((_) {
+  SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]).then((_) {
+    usePathUrlStrategy();
     runApp(const Nekoya());
   });
 }

lib/utils/url_strategy.dart

@@ -0,0 +1 @@
+export 'url_strategy_noop.dart' if (dart.library.html) 'url_strategy_web.dart';

lib/utils/url_strategy_noop.dart

@@ -0,0 +1,3 @@
+void usePathUrlStrategy() {
+  // noop
+}

lib/utils/url_strategy_web.dart

@@ -0,0 +1,5 @@
+import 'package:flutter_web_plugins/flutter_web_plugins.dart';
+
+void usePathUrlStrategy() {
+  setUrlStrategy(PathUrlStrategy());
+}