refactor: playground updated for remove onSelect callback from SingleWeekPicker and adjust layout in app component

playground/app.scss

@@ -11,7 +11,6 @@ body {
 	align-items: center;
 	.border {
 		display: flex;
-		flex-direction: column;
 		gap: 0.5rem;
 		> * {
 			background: #fff;

playground/app.tsx

@@ -4,14 +4,13 @@ import './app.scss'
 
 export default () => {
 
-	function onSelect(value) {
-		alert(`You select ${value.weekYear} - ${value.weekNum}`)
-	}
-
 	return (<div className='app'>
 		<div className="border">
 			<div>
-				<SingleWeekPicker onSelect={onSelect} />
+				<SingleWeekPicker />
+			</div>
+			<div>
+				<SingleDatePicker />
 			</div>
 		</div>
 	</div>)