add admin logout

src/routes/admin/+layout.svelte

@@ -2,6 +2,19 @@
 	import { page } from '$app/stores';
 	import { env } from '$env/dynamic/public';
 	import { IconOutline } from 'svelte-heros-v2';
+	import { buttonTriggeredRequest } from '$lib/components/utils';
+	import { goto } from '$app/navigation';
+
+	async function logout() {
+		const response = await fetch(`${env.PUBLIC_BASE_PATH}/admin/logout`, {
+			method: 'POST'
+		});
+		if (response.ok) {
+			await goto(`${env.PUBLIC_BASE_PATH}/`);
+		} else {
+			throw new Error();
+		}
+	}
 </script>
 
 {#if $page.url.pathname !== `${env.PUBLIC_BASE_PATH}/admin/login`}
@@ -14,6 +27,12 @@
 						<span class="ml-1">Website Admins</span>
 					</a>
 				</li>
+				<li class="mt-auto">
+					<button on:click={(e) => buttonTriggeredRequest(e, logout())}>
+						<IconOutline name="arrow-left-on-rectangle-outline" />
+						<span class="ml-1">Ausloggen</span>
+					</button>
+				</li>
 			</ul>
 		</div>
 		<div class="h-full w-full">