Docs Update for v4.17.0

[ItsTheSky]

• [x] Docs for the retrieve event-value effect
• [x] Docs for poll vote add/remove (https://javadoc.io/static/net.dv8tion/JDA/5.0.0-beta.23/net/dv8tion/jda/api/events/message/poll/GenericMessagePollVoteEvent.html)
• [x] Update docs of create invite effect
• [x] Member kick event + ban event
• [x] Change the minimal version of 4.15.2 to 4.16.0
• [x] new slash command system (if stable enough?)
• [x] Update docs & pattern #196
• [x] Add block around https://disky.me/docs/messages/emojis/#getting-and-using-emojis
• [x] Update retrieve logs pattern https://disky.me/docs/guild/logs-manipulation/#fetching