feat(slack): service for propagation to Slack
Created by: Johaney-s
- uses Slack SDK clients to communicate with Slack API
- each API (SCIM and WEB) have limited possibilities and our user can act as a user or a bot, based on the token
- bot has limited possibilities, but the main idea is that Perun manages those channels, where bot is integrated
- the propagation creates, updates and deactivates users, skips bots and guests
- also creates and archives channels and manages its members
DEPLOYMENT NOTE: Requires Slack SDK to be installed