This brings blog posts, showcase posts, and newsletter editions into the Docusaurus site.
It also adds support for using TailwindCSS inside a container. So this will probably end up being the new freesewing.org site in v4.
The replaces the NextJS site powering FreeSewing.dev with a Docusaurus
setup. It's part of my efforts to simplify FreeSewing's setup so we can
focus on our core value proposition.
