Embed formatting:

```toml
owo embed
author = ["author's name", "link to author's icon"]     # you can pass an empty string for either
colour = "ff0000"                                       # color in hex format
description = "embed decription"
fields = [
  ["name", "value", inline],                     # inline is boolean; name can be up to 256 chars, value up to 1024
      ...
]
footer = [ "footer text", "link to footer icon" ]       # you can pass an empty string for either
image = "link to image"
thumbnail = "link to image"
timestamp = "YYYY-MM-DDTHH:MM:SS"                       # ISO 8601 format
title = "title text"
url = "title link (not required)"
```