feat: Replace nunjucks with liquid for basics screen

- Add liquid template page
- Basics screen now uses liquid
- Correct script block in templates
- Add parameters to meta and log partials
- Add liquid partials for page and placeholder content

source/screens/demo/pages/default.liquid

@@ -10,7 +10,6 @@ title: Default
 {% block title %}{{ title }}{% endblock %}
 
 {% block script %}
-{{ block.super -}}
 <script>
 	// Page script
 	console.log("pageBase is: {{ pageBase }}");