added documented for vpn enable and disable

Author: Ramkishor Chaladi

docs/cli/users.rst

@@ -64,6 +64,14 @@ Version 5.6.0 introduces the ability to interact with user accounts from the cli
     :prog: user vpn-password
     :show-nested:
 
+.. click:: SoftLayer.CLI.user.vpn_enable_or_disable:vpn_enable
+    :prog: user vpn-enable
+    :show-nested:
+
+.. click:: SoftLayer.CLI.user.vpn_enable_or_disable:vpn_disable
+    :prog: user vpn-disable
+    :show-nested:
+
 .. click:: SoftLayer.CLI.user.apikey:cli
     :prog: user apikey
     :show-nested: