~aleteoryx/lfm_embed

ref: 074c512ac422dbd86527b943b54e33200784b478 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