~aleteoryx/lfm_embed

ref: 9edafd94b00a73662d51824dbcba0a018e2140cf lfm_embed/src d---------
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