Embed customization

Allow us to change the colors of text inside embeds.
Since the recent changes to Fields, you can no longer properly use field titles since they're basically unreadable, instead of the clean, easy to read field titles we had before
(I mean just compare these two, geez: https://imgur.com/a/1phFnNr | https://imgur.com/a/vgnkrQI)

This way we can make the text that's important stand out and format it so it fits whatever we need better