[docs] Update slack badge (#2961)
Update badge to https://slackin-socketio.now.sh/badge.svg
R
Ra'Shaun Stovall committed
9a014e2df413ea8374f29eec993fe162bd6a73e7
Parent: 2b10f1b
Committed by Damien Arrachequesne <damien.arrachequesne@gmail.com>
on 6/8/2017, 10:28:56 AM