mastered translations

frontend/src/App.svelte

@@ -1,9 +1,21 @@
 <script>
+    import { onMount } from 'svelte';
+    import { loadTranslation } from './translations.svelte.js'
+    let translations_ready = false;
+    onMount(async () => {
+        await loadTranslation('de','Login');
+        translations_ready = true;
+    });
+
     import Homepage from "./Components/Homepage.svelte";
     import Login    from "./Components/Login.svelte";
     import Menu     from "./Components/Menu.svelte";
 </script>
 
+{#if translations_ready}
 <Menu />
 <Homepage />
-<Login />
+<Login />
+{:else}
+    <p>Loading translations...</p>
+{/if}