More signout fixes

src/routes/auth/signout/+server.ts

@@ -0,0 +1,11 @@
+import type { RequestHandler } from './$types';
+export const GET: RequestHandler = async ({ locals}) => {
+    await locals.supabase.auth.signOut();
+
+    const html = `
+        <script>
+            localStorage.clear();
+            location.href = '/';
+        </script>`;
+    return new Response(html, { headers: { 'Content-Type': 'text/html' } });
+};