improve clone project comment (#310)

Author: asafshen

README.md

@@ -1032,6 +1032,7 @@ You can change the project name, as well as to clone the current project to a ne
 descope.client.mgmt.project.change_name("new-project-name")
 
 # Clone the current project, including its settings and configurations.
+# Note that this action is supported only with a pro license or above.
 # Users, tenants and access keys are not cloned.
 clone_resp = descope.client.mgmt.project.clone("new-project-name")
 ```

descope/management/project.py

@@ -32,7 +32,8 @@ def clone(
     ):
         """
         Clone the current project, including its settings and configurations.
-        Users, tenants and access keys are not cloned.
+        - This action is supported only with a pro license or above.
+        - Users, tenants and access keys are not cloned.
 
         Args:
         name (str): The new name for the project.