Make the website static

[patrick91]

I'm using SSR with Astro, but the content is pretty much static, we just need a way to update the content when pushing on the main Strawberry repo.

[patrick91]

https://logsnag.com/blog/implementing-isr-in-astro

[patrick91]

https://vercel.com/docs/incremental-static-regeneration (check if astro implements the build output api)