Enhanced say

[woodiertexas]

Is your feature request related to a problem? Please describe.
/say is rather basic in embed support.

Describe the solution you'd like
Allow us to edit all embed properties when using the /say command so we can make clean looking welcome channels and whatnot.

Additional context

[tempest15]

What other components of embeds would you like supported here? A title can be roughly achieved using a newline and bold, and creates an irritating UX puzzle to try and add as an argument.

[tempest15]

Also see #244 for what you might actually be looking for here

[woodiertexas]

What other components of embeds would you like supported here? A title can be roughly achieved using a newline and bold, and creates an irritating UX puzzle to try and add as an argument.

embeds have the following: title, body, footer, thumbnail, embed color, "author" image (the little circle), "author" name (small text by the circle) and timestamps.