[keycloak-operator] Disable operator templates

[gwydionmv]

Is your feature request related to a problem? Please describe.
As this chart generates the files for both the Operator and the Keycloak itself, it'd be a great feature to be able to disable one or the other to increase flexibility.

Describe the solution you'd like
Same as we have now {{- if .Values.keycloak.enabled }}, we could include something like {{- if .Values.operator.enabled }} in every operator template (deployment, service...).

Additional context
In our company, we want to have different projects, one for deploying the operator and another one for deploying Keycloak.

[hairmare]

Hi @gwydionmv

Thanks for the feedback. I think this is a reasonable change. Would you be ready to prepare a PR?