🚸 Added stores for navbar and added feature-overview

frontend/src/lib/navbar.svelte

@@ -70,7 +70,7 @@
 		<li class='py-2'>
 			<a
 				class='text-lg font-medium lg:px-4 text-gray-600 hover:text-green-600 link-hover'
-				href='#install'>Play</a
+				href='/play'>Play</a
 			>
 		</li>
 		<li class='py-2'>

frontend/src/lib/stores.ts

@@ -0,0 +1,4 @@
+import { writable } from 'svelte/store';
+
+
+export const navbarVisible = writable(true);