moving this allows for per-instance customizations later, but that won't
be practical until serving styles from the instance dir is also allowed.
but, this sets the ground work and does allow for removing some styles
(e.g. if someone wanted to only allow 'plain').
also I still need to add the ability to present the themes list dynamically
the new way to do the links without adding links to images is probably
dumb and/or missing some stuff, but it works and does what I want, and I
think I like the old look of the colors better, so time to try it and
see if it sticks still
this allows me to link to images (e.g. in figures) without having a
separate override class to remove their underline, which is ugly. on
account of making links red, it was looking like too much red
(especially on the index) with headers also being red, so this makes
headers the default text color.
still not 100% committed to this but I'm trying it out
without this, the code fence parser was getting thrown off if you didn't
have the pydot extension loaded, which was thwarting backwards
compatibility. this makes the pydot bits look like an attribute to the
vanilla parser, so at least then the vanilla markdown renders as
intended
I didn't like the other figure + figcaption parsers, they either assumed
a lot about usage (e.g. images only), or they were inline parsers that
either wrapped the figure in a paragraph tag (which is incorrect syntax)
or did span trickery (annoying)
so, this handles images and maybe other things, and does things properly
with figures as their own blocks. incomplete but it works with my
images, and should allow for looping (for multi-line content) in the
future?
after a lot of deliberation I think I'm starting to prefer GPLv3 over
GPLv2 for copyleft, and this is a case where my rationale benefits from
the additions of the Affero clause
in the end, a lot of this doesn't really matter, and right now, I
slightly prefer the site with a touch bigger font, so let's just let the
default do its thing
