SlackDocumentation#https://api.slack.com/authentication https://api.slack.com/docs/sign-in-with-slackConfiguration#https://api.slack.com/appsExample#import Providers from `next-auth/providers`...providers: [ Providers.Slack({ clientId: process.env.SLACK_CLIENT_ID, clientSecret: process.env.SLACK_CLIENT_SECRET })]...Copy