WIP Add basic reconcile methods for WatcherDecisionEngine

[marios]

wip/draft not ready for reviews yet

[openshift-ci]

Skipping CI for Draft Pull Request.
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[openshift-ci]

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[softwarefactory-project-zuul]

Merge Failed.

This change or one of its cross-repo dependencies was unable to be automatically merged with the current state of its repository. Please rebase the change and upload a new patchset.
Warning:
Error merging github.com/openstack-k8s-operators/watcher-operator for 44,0c079bf2e99cfcc02f30bd2a3847c04ffbca303a

[marios]

update incoming for merge conflict

[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://softwarefactory-project.io/zuul/t/rdoproject.org/buildset/27a85de2461345948a46a0cc7c88cd25

✔️ noop SUCCESS in 0s
✔️ openstack-meta-content-provider SUCCESS in 1h 29m 55s
✔️ watcher-operator-validation SUCCESS in 1h 19m 19s
❌ watcher-operator-kuttl RETRY_LIMIT in 30m 06s