refactor: Move stuff around and rename

- DragAdv is now HippieTaskBar
- Remove previous version
- Move unused stuff
- Replace Clock with TimeDisplay

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

@@ -31,7 +31,8 @@ tags:
 {%- block script %}
 {{ block.super -}}
 <script>
-	let clock = new Clock('time');
+	const timeElement = document.getElementById('time');
+	const timeDisplay = new TimeDisplay(timeElement);
 
 	ongoing();