~aleteoryx/lfm_embed

ref: 754e4be335fc250f00742f6c0503e05468792a73 lfm_embed/src d---------
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