Ecto embedded_schema storing extra/default values for fields that aren't specified

Oh yes! I meant to contribute this as a hex package. Only hesitation is that I haven’t released a hex package before. It ended up being a couple of modules that took heavy inspiration from Ecto embeds, and it’s been working great. Let me see if I can find guidance on releasing hex packages so I can release as version 0.0.1 and refine as others try it out