powerdns: provide basic instanciation

powerdns: add monitoring, promise and reload

powerdns: add replication

power-dns: replication specific for powerdns

powerdns: fix parameter name

powerdns: provide input json schema for powerdns instance

powerdns: Publish current NS record

powerdns: introduce flexible configuration for countries/ geographical zones

powerdns: fix contry configuration list

powerdns: fix country map list

powerdns: add dynamic slave configuration

powerdns: remove recursor

powerdns: reduce log level