fixed theme picker. Added basic login

web/middleware/auth.global.ts

@@ -0,0 +1,13 @@
+export default defineNuxtRouteMiddleware((to, _) => {
+	const auth = useAuth()
+
+	if (to.path === '/login') {
+		return
+	}
+
+	if (auth.userId.value === null) {
+		return navigateTo('/login')
+	} else if (to.path !== '/') {
+		return navigateTo('/')
+	}
+})