Include pillar example for granting permissions to user on Any host

pillar.example

@@ -111,7 +111,7 @@ mysql:
           grants: ['all privileges']
     bob:
       password_hash: '*6C8989366EAF75BB670AD8EA7A7FC1176A95CEF4'
-      host: localhost
+      host: '%' # Any host
       ssl: True
       ssl-X509: True
       ssl-SUBJECT: Subject