Add EA note

docs/platform/howto/pro-platform.rst

@@ -1,6 +1,9 @@
 Pro Platform
 =============
 
+    .. important:: 
+        Pro Platform is in :doc:`early availability </docs/platform/concepts/beta_services>`. 
+
 Pro Platform gives enterprise organizations added capabilities for implementing security, resilience, reliability, and cost-efficiency strategies for their data infrastructure. Pro Platform features are available across disaster recovery, security and compliance, advanced networking, and user lifecycle management.
 
 To enable Pro Platform for your organization and use Pro features, contact the sales team at [email protected]. You must be a super admin to request this.