feat: Replace new with start screen

- Convert to liquid
- Add old ongoing function for now
- Add macros as partials
- Rename data source to better reflect usage
- Update app.js to fulfill jshint

source/screens/demo/examples/ui/start.liquid

@@ -0,0 +1,44 @@
+---
+title: Start
+tags:
+- ui
+---
+{% assign bodyClass = "body_new" -%}
+{% layout "hippie/app.liquid" %}
+
+{% block body %}
+{% render 'hippie/partials/header-status', hippie: hippie, links: start %}
+<header class="area menu io">
+	<nav>
+		<ul>
+			<li>
+				<a href="" class="a_button">Func 1</a>
+			</li>
+			<li>
+				<a href="" class="a_button">Func 2</a>
+			</li>
+		</ul>
+	</nav>
+</header>
+<div class="area grid">
+	<div class="item">1</div>
+	<div class="item">2</div>
+	<div class="item">3</div>
+	<div class="item">4</div>
+</div>
+{% endblock %}
+
+{%- block script %}
+{{ block.super -}}
+<script>
+	let clock = new Clock('time');
+
+	ongoing();
+
+	document.addEventListener('mousemove', (event) => {
+		document
+			.getElementById('log')
+			.textContent = "X: " + event.pageX + ", Y: " + event.pageY;
+	});
+</script>
+{% endblock %}