feat: Combine start and tile screens

- Combine start and tile content to start screen
- Remove tile screen
- Remove new css module
- Integrate style to start module

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

@@ -1,45 +0,0 @@
----
-title: Tile
-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>
-	const timeElement = document.getElementById('time');
-	const timeDisplay = new TimeDisplay(timeElement);
-
-	ongoing();
-
-	document.addEventListener('mousemove', (event) => {
-		document
-			.getElementById('log')
-			.textContent = "X: " + event.pageX + ", Y: " + event.pageY;
-	});
-</script>
-{% endblock %}