add login/sign-up page with dark/light mode

node_modules/next/dist/build/templates/pages-api.d.ts

@@ -0,0 +1,9 @@
+import type { IncomingMessage, ServerResponse } from 'node:http';
+import { type RequestMeta } from '../../server/request-meta';
+declare const _default: any;
+export default _default;
+export declare const config: any;
+export declare function handler(req: IncomingMessage, res: ServerResponse, ctx: {
+    waitUntil?: (prom: Promise<void>) => void;
+    requestMeta?: RequestMeta;
+}): Promise<void>;