feat:#45 fix wrong use of redirect

frontend/src/main.ts

@@ -74,6 +74,16 @@ export const createApp = ViteSSG(
     router = ctx.router;
 
     router.beforeEach(async (to, from) => {
+      if (import.meta.env.SSR) {
+        return;
+      }
+
+      // External redirect
+      if (to.matched.some((record) => record.meta.redirect)) {
+          window.location.replace(to.meta.redirect as string);
+          return;
+      }
+
       const newLocale = to.params.locale;
       const prevLocale = from.params.locale;
       // If the locale hasn't changed, do nothing
@@ -93,8 +103,6 @@ export const createApp = ViteSSG(
       },
     });
 
-    //app.config.globalProperties.$hostname = "https://cal.htwk-leipzig.de"
-
     app.use(router);
     app.use(ToastService);
     app.use(DialogService);