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

node_modules/next/dist/server/lib/to-route.d.ts

@@ -0,0 +1,24 @@
+/**
+ * This transforms a URL pathname into a route. It removes any trailing slashes
+ * and the `/index` suffix.
+ *
+ * @param pathname - The URL path that needs to be optimized.
+ * @returns - The route
+ *
+ * @example
+ * // returns '/example'
+ * toRoute('/example/index/');
+ *
+ * @example
+ * // returns '/example'
+ * toRoute('/example/');
+ *
+ * @example
+ * // returns '/'
+ * toRoute('/index/');
+ *
+ * @example
+ * // returns '/'
+ * toRoute('/');
+ */
+export declare function toRoute(pathname: string): string;