Update docs to use the latest slack community links (#639)

.github/ISSUE_TEMPLATE/config.yml

@@ -1,7 +1,7 @@
 blank_issues_enabled: false
 contact_links:
   - name: Questions
-    url: https://steampipe.io/community/join
+    url: https://turbot.com/community/join
     about: GitHub issues in this repository are only intended for bug reports and feature requests. Other issues will be closed. Please ask and answer questions through the Steampipe Slack community.
   - name: Steampipe CLI Bug Reports and Feature Requests
     url: https://github.com/turbot/steampipe/issues/new/choose

README.md

@@ -6,7 +6,7 @@ Use SQL to query infrastructure including servers, networks, facilities and more
 
 - **[Get started →](https://hub.steampipe.io/plugins/turbot/azure)**
 - Documentation: [Table definitions & examples](https://hub.steampipe.io/plugins/turbot/azure/tables)
-- Community: [Slack Channel](https://steampipe.io/community/join)
+- Community: [Join #steampipe on Slack →](https://turbot.com/community/join)
 - Get involved: [Issues](https://github.com/turbot/steampipe-plugin-azure/issues)
 
 ## Quick start

docs/index.md

@@ -329,4 +329,4 @@ connection "azure" {
 ## Get involved
 
 - Open source: https://github.com/turbot/steampipe-plugin-azure
-- Community: [Slack Channel](https://steampipe.io/community/join)
+- Community: [Join #steampipe on Slack →](https://turbot.com/community/join)