✨ Added newsletter and small fixes

frontend/src/lib/editor/card.svelte

@@ -1,6 +1,5 @@
 <script lang="ts">
 	import type { EditorData, Answer } from '$lib/quiz_types';
-	import CheckerBg from '$lib/editor/checker-bg.svg';
 	import { reach } from 'yup';
 	import { dataSchema } from '$lib/yupSchemas';
 	import Spinner from '../Spinner.svelte';

frontend/src/lib/editor/sidebar.svelte

@@ -132,6 +132,7 @@
 			class:dark:bg-green-500={index === selected_question}
 			on:contextmenu|preventDefault={() => {
 				if (confirm('Do you really want to delete this Question?')) {
+					selected_question = selected_question - 1;
 					data.questions.splice(index, 1);
 					data.questions = data.questions;
 				}