feat: Change usage of templates

- Remove unnecessary super blocks
- Use simple templates
- Remove pageBase variable from templates

source/screens/demo/examples/start.liquid

@@ -6,7 +6,7 @@ tags:
 {% assign pageBase = "../../" -%}
 {% assign pageId = page.fileSlug -%}
 {% assign bodyClass = "body_start" -%}
-{% layout "hippie/full.liquid" %}
+{% layout "hippie/simple.liquid" %}
 
 {% block body %}
 <main>
@@ -35,7 +35,6 @@ tags:
 {% endblock %}
 
 {% block script %}
-{{ block.super -}}
 <script>
 	// Page script
 	// NOTE: https://duckduckgo.com/duckduckgo-help-pages/settings/params