CBG-491 - Add cache config example (#4252)
CBG-491 - Add cache config example (#4252)

* CBG-491: Add cache configuration example

* CBG-491: Add cache configuration example

ceejatec/sync_gateway,ceejatec/sync_gateway,couchbaselabs/sync_gateway,ceejatec/sync_gateway,couchbaselabs/sync_gateway,ceejatec/sync_gateway,couchbaselabs/sync_gateway,couchbaselabs/sync_gateway