Extend documentation on DependentResources/Workflows

[andreaTP]

The documentation regarding DependentResources and Workflows is pretty minimal and focuses on very very few examples close to "hello world".
It would be nice to see more extensive examples covering more "real-world-like" use cases.

Especially speaking about Workflow a lot of combinations/variations of the possible configurations are left to the user's imagination and reading the source code.

[grossws]

Also current docs have some obvious typos like Reconsiler and Cleaner for different CRDs, there's no source for conditions etc.

@ControllerConfiguration(dependents = {
    @Dependent(name = DEPLOYMENT_NAME, type = DeploymentDependentResource.class,
        readyPostcondition = DeploymentReadyCondition.class),
    @Dependent(type = ConfigMapDependentResource.class,
        reconcilePrecondition = ConfigMapReconcileCondition.class,
        deletePostcondition = ConfigMapDeletePostCondition.class,
        dependsOn = DEPLOYMENT_NAME)
})
public class SampleWorkflowReconciler implements Reconciler<TestCustomResource>,
    Cleaner<WorkflowAllFeatureCustomResource> {
  // ...
}

[csviri]

thx @grossws , fixed here: #1568

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This issue was closed because it has been stalled for 14 days with no activity.