~aleteoryx/lfm_embed

add systemd service
Fix README typos
Create plain theme, do some escaping, fix some busted envvars, document themes.
reorganize readme
Fix bullet points
lots of stuff. theming basically done, added some logging, frontend basically done.
add GPLv3, update manifest
pull down user info
fix highlighting
fix packages, implement caching
API deserialization structs