Added a coro, `remove()` which takes in a sole parameter, `member`.
This new coro will remove the reaction by the provided member from the reactions message.
`message.remove_reaction(reaction, member)` was not removed as to not introduce breaking changes.
Reaction objects with custom Emoji are partial. If we know of this Emoji
(can find it on this client) then inject it. Otherwise, leave it as a
hollow Emoji. We can still react with a hollow Emoji, but can't get other
metadata about it.
Reactions can be be standard emojis, or custom server emojis.
Adds
- add/remove_reaction
- get_reaction_users
- Messages have new field reactions
- new events - message_reaction_add, message_reaction_remove
- new permission - add_reactions