Improve SUPPORT.md (#4835)

SUPPORT.md

@@ -1,16 +1,21 @@
-# Support for deploying and using osquery
+# Welcome to osquery!
 
-Welcome to osquery! We use GitHub for tracking bugs and feature requests. This isn't the right place to get support for using osquery, but the following resources are available below, thanks for understanding.
+We use GitHub for tracking bugs, feature requests and blueprints only, so this isn't the right
+place to get support. However we're still happy to help, checkout the resources bellows and feel
+free to reach out on osquery Slack.
 
-# Documentation
+## Slack
 
- - [User Guide](https://osquery.readthedocs.io/en/stable/)
+You can register on our Slack at https://slack.osquery.io if you haven't done so yet. Before posting
+to the `general` channel take a look at other available channels where your question might be a
+better fit. If you have a question about a vendor solution post **only** on the vendor specific
+channel.
 
-# Community Resources
+## Documentation
 
-- [StackOverflow](https://stackoverflow.com/tags/osquery)
-- [reddit](https://www.reddit.com/r/osquery/)
-
-# Chat
+* [User Guide](https://osquery.readthedocs.io/en/stable/)
 
-- [osquery slack](https://osquery-slack.herokuapp.com/)
+## Community Resources
+
+* [Reddit](https://www.reddit.com/r/osquery/)
+* [Stack Overflow](https://stackoverflow.com/tags/osquery)