Change routing setup

lib/core/router/app_router.dart

@@ -50,29 +50,30 @@ GoRouter router(RouterRef ref) {
   );
 }
 
+final tabLocations = [
+  const HomeRoute().location,
+  const ProxiesRoute().location,
+  const ConfigOptionsRoute().location,
+  const SettingsRoute().location,
+  const LogsOverviewRoute().location,
+  const AboutRoute().location,
+];
+
 int getCurrentIndex(BuildContext context) {
   final String location = GoRouterState.of(context).uri.path;
   if (location == const HomeRoute().location) return 0;
-  if (location.startsWith(const ProxiesRoute().location)) return 1;
-  if (location.startsWith(const LogsOverviewRoute().location)) return 2;
-  if (location.startsWith(const SettingsRoute().location)) return 3;
-  if (location.startsWith(const AboutRoute().location)) return 4;
+  var index = 0;
+  for (final tab in tabLocations.sublist(1)) {
+    index++;
+    if (location.startsWith(tab)) return index;
+  }
   return 0;
 }
 
 void switchTab(int index, BuildContext context) {
-  switch (index) {
-    case 0:
-      const HomeRoute().go(context);
-    case 1:
-      const ProxiesRoute().go(context);
-    case 2:
-      const LogsOverviewRoute().go(context);
-    case 3:
-      const SettingsRoute().go(context);
-    case 4:
-      const AboutRoute().go(context);
-  }
+  assert(index >= 0 && index < tabLocations.length);
+  final location = tabLocations[index];
+  return context.go(location);
 }
 
 @riverpod