removed discus and added link to github issues / slack / etc #89

docs/contact.md

@@ -8,7 +8,10 @@
 
 ## Slack
 
-[Join brainlife.slack.com](https://brainlife-inviter.herokuapp.com/){target=_blank} ![logo](https://brainlife-inviter.herokuapp.com/badge.svg)
+We use slack for our primary communication mechanism. [https://brainlife.slack.com](https://brainlife.slack.com).
+
+When you register to brainlife.io, we will send you an invite for our slack team. You can also [self invite to brainlife.slack.com](https://brainlife-inviter.herokuapp.com/){target=_blank} 
+
 
 ## Bug Report / Feature Request
 

mkdocs.yml

@@ -8,7 +8,7 @@ site_url: https://brainlife.io/docs
 repo_name: 'brainlife/docs'
 repo_url: 'https://github.com/brainlife/docs'
 
-copyright: 'Copyright © 2017 - 2022 brainlife.io'
+copyright: 'Copyright &copy; 2017 - 2022 brainlife.io | Please post your comments via <a target="github" href="https://github.com/brainlife/docs/issues">Github Issues</a> or <a target="slack" href="https://brainlife.slack.com/">Slack</a>'
 
 theme:
   name: 'material'
@@ -77,12 +77,16 @@ nav:
   - Media / Branding: media.md
 
 extra:
-  disqus: 'brain-life'
+  #disqus: 'brain-life'
   social:
     - icon: fontawesome/brands/twitter
       link: 'https://twitter.com/BrainLifeio'
     - icon: fontawesome/brands/github
       link: 'https://github.com/brainlife'
+    - icon: fontawesome/brands/slack
+      link: 'https://brainlife.slack.com'
+    - icon: fontawesome/brands/youtube
+      link: 'https://youtube.com/brainlifeio'
 
 extra_css:
     - css/narrow.css