feat: Add game and gallery screens

source/screens/demo/examples/game.liquid

@@ -0,0 +1,25 @@
+---
+title: Game - TFW
+tags:
+- demoExample
+- gameExample
+---
+{% assign bodyClass = "body_game" -%}
+{% layout "hippie/app.liquid" %}
+
+{% block body %}
+	<div class="sec_main_center">
+		<nav role="doc-toc">
+			<hgroup>
+				<h1>{{ title }}</h1>
+				<p>Additional name</p>
+			</hgroup>
+			<ul class="list_link">
+				<li><a href="#new">Neues Spiel</a></li>
+				<li><a href="#continue">Spiel fortsetzen</a></li>
+				<li><a href="#options">Einstellungen</a></li>
+				<li><a href="#quit">Spiel beenden</a></li>
+			</ul>
+		</nav>
+	</div>
+{% endblock %}