feat(pages): create logout page

pages/logout.vue

@@ -0,0 +1,12 @@
+<script lang="ts" setup>
+	definePageMeta({
+		middleware: ["auth"],
+	});
+	const { signOut } = useAuth();
+	signOut({
+		callbackUrl: "/",
+	});
+</script>
+<template>
+	<a-typography-title :level="3"> Signed out. 👋 </a-typography-title>
+</template>