Clojurians Log v2

https://practical.li/journal/ has now been updated to a complete Zensical build. Zensical has release the blog, rss and social cards compatibility plugins, so a blog site can now be successfully generated with Zensical. It took a bit of experimentation to find the right syntax to get the RSS feeds to use the right date in the zensical.toml config (using Toml syntax rather than Yaml). I've also updated the GitHub CI workflow to use Zensical (via uvx) and updated the local build tasks to use zensical serve.