Feature request: pool support for chrony

[shk3bq4d]

Hello,

In chrony, using pool instead of server allows to add many upstreams in a single instruction, which is convenient and also helpful when your firewall team did not open all the possibly resolved hosts.

It would be good if support for this was considered in this role.

Thank you for your amazing work!

From https://manpages.ubuntu.com/manpages/jammy/man5/chrony.conf.5.html

       pool name [option]...
           The syntax of this directive is similar to that for the server directive, except that
           it is used to specify a pool of NTP servers rather than a single NTP server. The pool
           name is expected to resolve to multiple addresses which might change over time.

           This directive can be used multiple times to specify multiple pools.

           All options valid in the server directive can be used in this directive too. There is
           one option specific to the pool directive: