~aleteoryx/lfm_embed

ref: adc1a486faf473eb7d993ca5df78485f0938d1d0 lfm_embed/src d---------
Add custom font support.
Remove redundant HTML escaping helpers.
fix typo in plain theme breaking light mode.
Create plain theme, do some escaping, fix some busted envvars, document themes.
lots of stuff. theming basically done, added some logging, frontend basically done.
pull down user info
fix packages, implement caching
API deserialization structs