feat: add lightbox backdrop CSS and export ImageLightbox

src/shared/ui/index.ts

@@ -4,7 +4,7 @@ export type { ButtonSize, ButtonVariant } from './Button';
 export { Button } from './Button';
 export type { CardBackground } from './Card';
 export { Card, CardContent, CardDescription, CardFooter, CardHeader, CardSidebar, CardTitle } from './Card';
-
+export { ImageLightbox } from './ImageLightbox';
 export { InlineSvg } from './InlineSvg';
 export { Input, Textarea } from './Input';
 export type { LinkVariant } from './Link';