Documentation locations have changed because of this? https://allcontributors.org/docs/en/emoji-key no longer works, I guess it's https://allcontributors.org/emoji-key/ now? Are we planning to re-add support for old locations still?

Originally posted by @astellingwerf in #975 (comment)

The URLs of pages have changes (possibly because of the change from Docusaurus to Astro). This will break existing links, so we should think about adding redirects for these.