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

node_modules/next/dist/next-devtools/dev-overlay/components/toast/index.d.ts

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+import './style.css';
+export { Toast } from './toast';

node_modules/next/dist/next-devtools/dev-overlay/components/toast/toast.d.ts

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+import * as React from 'react';
+type ToastProps = React.HTMLProps<HTMLDivElement> & {
+    children?: React.ReactNode;
+    onClick?: () => void;
+    className?: string;
+};
+export declare const Toast: React.ForwardRefExoticComponent<Omit<ToastProps, "ref"> & React.RefAttributes<HTMLDivElement>>;
+export {};