Create a custom emoji for the team.
Must be authenticated.
A file to be uploaded
A JSON object containing a name field with the name of the emoji and a creator_id field with the id of the authenticated user.
Emoji creation successful
The ID of the emoji
The ID of the user that made the emoji
The name of the emoji
The time in milliseconds the emoji was made
The time in milliseconds the emoji was last updated
The time in milliseconds the emoji was deleted