docs(slack) Update to Slack guidelines

docs/slack.md

@@ -2,24 +2,43 @@
 
 The DataHub Slack is a thriving and rapidly growing community - we can't wait for you to join us!
 
-[Sign up here](https://slack.datahubproject.io) to join us on Slack and to subscribe to the DataHub Community newsletter. Already a member? [Log in here](https://slack.datahubproject.io).
+_[Sign up here](https://slack.datahubproject.io) to join us on Slack and to subscribe to the DataHub Community newsletter. Already a member? [Log in here](https://slack.datahubproject.io)._
+
+## Slack Guidelines
+
+In addition to our [Code of Conduct](CODE_OF_CONDUCT.md), we expect all Slack Community Members to respect the following guidelines:
+
+### Make use of threads
+
+Threads help us keep conversations contained and help us ensure we help you find a resolution and get you the support you need.
+
+Use threads when posting long messages and large blocks of code and/or stack trace - it is a MASSIVE help for us to keep track of the large volume of questions across our various support channels.
+
+### Do not post the same question across multiple channels
+
+If you're having a tough time getting the support you need (or aren't sure where to go!), please DM [@Maggie](https://datahubspace.slack.com/team/U0121TRV0FL) for support
+
+### Do not solicit members of our Slack
+
+The DataHub Community exists to collaborate with, learn from, and support one another. It is not a space to pitch your products or services directly to our members via public channels, private channels, or direct messages.
+
+We are excited to have a growing presence from vendors to help answer questions from Community Members as they may arise, but we have a strict 3-strike policy against solicitation:
+
+1. First occurrence: We'll give you a friendly but public reminder that the behavior is inappropriate according to our guidelines.
+2. Second occurrence: We'll send you a DM warning that any additional violations will result in removal from the community.
+3. Third occurrence: We'll delete or ban your account.
+
+We reserve the right to ban users without notice if they are clearly spamming our Community Members.
 
 ## Navigating DataHub Slack
 
-Lets get you settled in -- 
+Lets get you settled in --
 
-- **Head over to [#introduce-yourself](https://datahubspace.slack.com/archives/C01PU1K6GDP) to, well, introduce yourself!** We’d love to learn more about you, what brings you here, and how we can support you
-- **Not sure how to start?** You guessed it, check out [#getting-started](https://datahubspace.slack.com/archives/CV2KB471C) - we’ll point you in the right direction
+- **Head over to [#introduce-yourself](https://datahubspace.slack.com/archives/C01PU1K6GDP) to, well, introduce yourself!** We'd love to learn more about you, what brings you here, and how we can support you
+- **Not sure how to start?** You guessed it, check out [#getting-started](https://datahubspace.slack.com/archives/CV2KB471C) - we'll point you in the right direction
 - **Looking for general debugging help?** [#troubleshoot](https://datahubspace.slack.com/archives/C029A3M079U) is the place to go
 - **Need some live support from the Core DataHub Team?** Join us during our 2xWeek Office Hours via Zoom! Check out [#office-hours](https://datahubspace.slack.com/archives/C02AD211493) for more details
-- **Looking for ways to contribute to the DataHub project?** Tell us all about it in [#contribute](https://datahubspace.slack.com/archives/C017W0NTZHR) 
-- **Have suggestions on how to make DataHub better?** We can’t wait to hear them in [#feature-requests](https://datahubspace.slack.com/archives/C02FWNS2F08)
+- **Looking for ways to contribute to the DataHub project?** Tell us all about it in [#contribute](https://datahubspace.slack.com/archives/C017W0NTZHR)
+- **Have suggestions on how to make DataHub better?** We can't wait to hear them in [#feature-requests](https://datahubspace.slack.com/archives/C02FWNS2F08)
 - **Excited to share your experience working with DataHub?** [#show-and-tell](https://datahubspace.slack.com/archives/C02FD9PLCA0) is the perfect channel for you
-- **Need something else?** Reach out to [@Maggie](https://datahubspace.slack.com/team/U0121TRV0FL) - our Community Product Manager
-
-### Slack Best Practices
-
-Please keep in mind these Slack best-practices --
-
-- **Make use of threads** for addressing specific questions/topics, and when posting large blocks of code - it helps us keep our channels and conversations organized
-- **Avoid posting the same question in multiple channels** - if you’re having a tough time getting the support you need (or aren’t sure where to go!) please DM [@Maggie](https://datahubspace.slack.com/team/U0121TRV0FL) for support
+- **Need something else?** Reach out to [@Maggie](https://datahubspace.slack.com/team/U0121TRV0FL) - our Community Product Manager