Next.js template removed

[rickyzhangca]

Bug report

Description / Observed Behavior

Next.js Open Graph Image Generation template no long exists and the url in README will show 404

https://github.com/vercel/satori/blob/main/README.md?plain=1#L9

Expected Behavior

There isn't a clean template yet, remove the url?

Reproduction

Click on the url in README.