Hey guys, I'm building the newsletter automation. I've built 3 different automations recently but none as hard as this it seems. It's just telling me to get Gmail OAuth env vars to put in my .env. When I go to Google Cloud, I can easily get the client ID and client secret but then I have to go to Google's OAuth playground 2.0 and generate some refresh tokens, that's the hard part. Why is this so much more difficult than the other apps/automations I've built with API's or others types of credentials. Am I doing things wrong here? Thanks ๐๐ป