refactored translations, preparing sending of document

frontend/src/Components/Menu.svelte

@@ -13,7 +13,7 @@ async function fetchModules(){
     const resp = await fetch(url,{credentials:'include'});
     if (resp.ok){
         const arr = await resp.json();
-        for (let entry of arr) modules.push({name:t('menu.'+entry.module),url:entry.url});
+        for (let entry of arr) modules.push({name:t(entry.module),url:entry.url});
     } else {
         console.log('error');
     }
@@ -28,13 +28,13 @@ onMount(fetchModules);
 </style>
 
 <nav>
-    <a onclick={() => router.navigate('/user')}>{t('menu.users')}</a>
-    <a onclick={() => router.navigate('/document')}>{t('menu.documents')}</a>
-    <a href="https://svelte.dev/tutorial/svelte/state" target="_blank">{t('menu.tutorial')}</a>
+    <a onclick={() => router.navigate('/user')}>{t('users')}</a>
+    <a onclick={() => router.navigate('/document')}>{t('documents')}</a>
+    <a href="https://svelte.dev/tutorial/svelte/state" target="_blank">{t('tutorial')}</a>
     {#each modules as module,i}
         <a href={module.url}>{module.name}</a>
     {/each}
     {#if user.name }
-    <a onclick={logout}>{t('menu.logout')}</a>
+    <a onclick={logout}>{t('logout')}</a>
     {/if}
 </nav>