[Feature] Integrate this slack security bot its an FREE alternative to metacert

[maxpen]

Description: https://github.com/demisto/alfred

https://dbot.demisto.com/

Server Setup Information:

• Version of Rocket.Chat Server:
• Operating System:
• Deployment Method(snap/docker/tar/etc):
• Number of Running Instances:
• DB Replicaset Oplog:
• Node Version:

Steps to Reproduce:

Expected behavior:

Actual behavior:

Relevant logs:

[timkinnane]

Specific bot requests are out of scope for these issues, but we collect them under one issue related to general bots features here: #10174