feat: update landing page and add new library and scan pages

- Refactor landing page content and links for better user experience.
- Introduce a new library page to display disease information with filtering and modal details.
- Add a scan page for users to upload images for diagnosis with a preview modal.
- Enhance login and registration pages with automatic navigation to the dashboard.
- Integrate vite-tsconfig-paths for improved path resolution in Vite configuration.

apps/web/src/components/ui/modal-footer.tsx

@@ -0,0 +1,12 @@
+import React, { ReactNode } from 'react';
+
+type Props = {
+  children?: ReactNode;
+  className?: string;
+};
+
+export function ModalFooter({ children, className }: Props) {
+  return <div className={`mt-4 text-right ${className ?? ''}`}>{children}</div>;
+}
+
+export default ModalFooter;