F001: replicas setting hot_standby_feedback added
Description
Setting hot_standby_feedback displayed for every replica in F006 report.
Related issue
https://gitlab.com/postgres-ai-team/postgres-checkup/issues/200
Examples
https://gist.github.com/dmius/2f2a884826815a0bba0a020596871fce
Closes #200 (closed)