Fix formatting of nodediscover man page
Fix formatting of nodediscover man page

The list of fields could not be nicely nested in ronn,
give up but have hard line breaks as a compromise.

jjohnson42/confluent,jjohnson42/confluent,whowutwut/confluent,xcat2/confluent,whowutwut/confluent,whowutwut/confluent,xcat2/confluent,jjohnson42/confluent,xcat2/confluent,whowutwut/confluent,jjohnson42/confluent,xcat2/confluent,jjohnson42/confluent,xcat2/confluent