implement discover page with bounty and project cards, filtering, and sorting capabilities. - #10

Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element

'ExternalLink' is defined but never used

'Users' is defined but never used

'Image' is defined but never used

'ArrowUpDown' is defined but never used

'X' is defined but never used