docs(ShardClientUtil): link Shard#message from send method (#4028)
docs(ShardClientUtil): link Shard#message from send method (#4028)

* docs(ShardClientUtil): link Shard#message from send method

* docs(ShardClientUtil): use @ emits instead of @ link
SpaceEEC/discord.js,SpaceEEC/discord.js,SpaceEEC/discord.js