Added note in documentation that Parent/Child support may not yet be generally available (#427)

Author: ezilber-akamai

linode_api4/groups/account.py

@@ -502,6 +502,8 @@ def child_accounts(self, *filters):
         """
         Returns a list of all child accounts under the this parent account.
 
+        NOTE: Parent/Child related features may not be generally available.
+
         API doc: TBD
 
         :returns: a list of all child accounts.

linode_api4/objects/account.py

@@ -60,6 +60,8 @@ class ChildAccount(Account):
     """
     A child account under a parent account.
 
+    NOTE: Parent/Child related features may not be generally available.
+
     API Documentation: TBD
     """