implemented updating of projects

frontend/src/Components/LineEditor.svelte

@@ -1,5 +1,6 @@
 <script>
     import { activeField } from './field_sync.svelte.js';
+    import { t } from '../translations.svelte.js';
 
     let { editable = false, value = $bindable(null), onSet = (newVal) => {return true;} } = $props();
     let editing = $state(false);
@@ -47,5 +48,5 @@
 {#if editable && editing}
 <input bind:value={editValue} onkeyup={typed} autofocus />
 {:else}
-<div onclick={startEdit} class={{editable}}>{value}</div>
+<div ondblclick={startEdit} class={{editable}} title={t('double_click_to_edit')} >{value}</div>
 {/if}