Update Slack invite link at buildgrid.gitlab.io
The old invite link to the BuildTeamWorld Slack channel on the BuildGrid docs is expired. We now have a permanent link (https://bit.ly/2SG1amT) that we should replace it with.
Edited by Beth
The old invite link to the BuildTeamWorld Slack channel on the BuildGrid docs is expired. We now have a permanent link (https://bit.ly/2SG1amT) that we should replace it with.