✨ Basic Quiztivity working

frontend/src/lib/quiztivity/components/markdown/play.svelte

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+<!--
+  - This Source Code Form is subject to the terms of the Mozilla Public
+  - License, v. 2.0. If a copy of the MPL was not distributed with this
+  - file, You can obtain one at https://mozilla.org/MPL/2.0/.
+  -->
+<script lang="ts">
+	import type { Markdown } from '$lib/quiztivity/types';
+	import DOMPurify from 'dompurify';
+	import { marked } from 'marked';
+	import { browser } from '$app/environment';
+
+	export let data: Markdown | undefined;
+
+	let rendered_html = '';
+
+	$: rendered_html = browser ? DOMPurify.sanitize(marked.parse(data.markdown ?? '')) : '';
+</script>
+
+<div class="prose dark:prose-invert">
+	{@html rendered_html}
+</div>