feat: add More Projects section to help dialog

- Add HTML over JS and Web Engineering Mandala projects
- Include i18n translations for EN and DE
- Add userCode to lesson cache for faster reload

src/index.html

@@ -177,6 +177,18 @@
 						<li data-i18n-html="emmetContent"><kbd>p{Hello}</kbd> → p with text content</li>
 					</ul>
 
+					<h4 data-i18n="moreProjectsTitle">More Projects</h4>
+					<ul>
+						<li>
+							<a href="https://nextlevelshit.github.io/html-over-js/" target="_blank"><strong>HTML over JS</strong></a>
+							<span data-i18n="htmlOverJsDesc"> - Learn to leverage native HTML elements instead of custom JavaScript solutions</span>
+						</li>
+						<li>
+							<a href="https://nextlevelshit.github.io/web-engineering-mandala/" target="_blank"><strong>Web Engineering Mandala</strong></a>
+							<span data-i18n="mandalaDesc"> - Interactive visualization of JavaScript technologies organized by complexity</span>
+						</li>
+					</ul>
+
 					<h4 data-i18n="contactTitle">Contact & Links</h4>
 					<p data-i18n="contactText">Code Crispies is developed by librete.ch</p>
 					<ul>