New configuration option `failover.stateboard.enabled`

[TarantoolBot]

Dev. issue: (tarantool/tarantool#9849)

Product: Tarantool
Since: 3.3.0
Root document: https://www.tarantool.io/en/doc/latest/reference/configuration/configuration_reference/
SME: @ georgiy-belyanin

Details

Connected with https://github.com/tarantool/enterprise_doc/issues/290.

Now failover.stateboard.enabled boolean option can be used to
enable/disable the failover coordinator stateboard. Default value equals
to true.

failover.stateboard.enabled: true requires for one of the compatible
remote config sources to be set in the config section. Otherwise the
failover coordinator doesn't start.

The option is enterprise-only since it's a part of the supervised
failover coordinator.
Requested by @georgiy-belyanin in tarantool/tarantool@4ebe08c.

[georgiy-belyanin]

The issue is closely connected with tarantool/enterprise_doc#290

This issue is about changes in the configuration reference:
https://www.tarantool.io/en/doc/latest/reference/configuration/configuration_reference/.
The other one is about changes on the page about the supervised failover:
https://www.tarantool.io/en/doc/latest/platform/replication/supervised_failover/.