feat: Update ui screens

Separate script and assets block.

source/screens/demo/examples/clock.liquid

@@ -17,11 +17,13 @@ tags:
 <main></main>
 {% endblock %}
 
-{% block script %}
+{% block assets %}
 <script src="/vendor/hippie-script.js"></script>
 <script src="/js/globals.js"></script>
 <script src="/js/app.js"></script>
+{% endblock %}
 
+{% block script %}
 <script>
 	class HippieClock {
 		constructor(element, date = new Date(), options = {}) {