Went through the trouble of adding a template file that generates an RSS feed for the site.
This feature also required some other changes, but mostly it just took a while to wrap my head around the RSS spec, which in itself is pretty simple, but getting the validator to be happy took a while.
For example, turns out that RSS readers favor GUID-entries for the posts, which I just decided to generate manually with uuidgen as a part of adding the new entry.
Additional improvement is that now all the metadata about the blog posts lives in a variable file. This same file is used to generate the blog index, which is neat. It is no longer possible to forget adding the entry to the index.
In addition, serving static images is for whatever reason broken currently, I'll debug that someday when I have time.