try to add and use shrinko8

src/client/app.tsx

@@ -8,6 +8,7 @@ const App = (props: {}) => {
 		<div className={css`
 			min-height: 100vh;
 		`}>
+			<h1>Picobook</h1>
 			<Pico8Console carts={testcarts.carts} />
 		</div>
 	);