add flavors to rest api
add flavors to rest api

open-cloud/xos,zdw/xos,open-cloud/xos,zdw/xos,opencord/xos,cboling/xos,open-cloud/xos,opencord/xos,cboling/xos,cboling/xos,zdw/xos,opencord/xos,zdw/xos,cboling/xos,cboling/xos