feat(cluster) adds configuration options for services and ldap configuration

[yremmet]

This PR add the option to:

• configure service resources as described in: https://cloudnative-pg.io/documentation/1.24/service_management/
• adding a ldap configuration

[itay-grudev]

@yremmet Your last commit is missing a signoff. Could you fix that, please?

[RaicuRobert]

Hello,

As i am also partially interested in this change, I created a PR with tests included