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

node_modules/next/dist/server/app-render/strip-flight-headers.d.ts

@@ -0,0 +1,7 @@
+import type { IncomingHttpHeaders } from 'node:http';
+/**
+ * Removes the flight headers from the request.
+ *
+ * @param req the request to strip the headers from
+ */
+export declare function stripFlightHeaders(headers: IncomingHttpHeaders): void;