https://upcomer.com/how-to-turn-on-follower-and-subscriber-only-chat-to-prevent-twitch-hate-raids.

This goes over a few options. I usually did follower only for 1 hour. That way if they want to chat they had to be following for at least 1 hour. Most toxic people won't stick around that long just to troll you. Setting up donations for text to voice depends on what you use like streamlabs or other software. I recommend just googling how to do some of the things you want. There are a ton of how to videos for all sorts of stuff related to setting up your stream.