Add PostRenderer to KC chart

Add the postrenderer capability to the Keycloak chart.

Ensure Keycloak has postRenders value in BigBang chart and value conditionally templates into HelmRelease created via BigBang, see example for anchore

added BB Customer Issues kindenhancement labels

Moving issue to BB chart/repo since that is where the functionality will live.

added keycloak teamXForce labels

added priority5 label

set weight to 1

changed the description

changed iteration to Big Bang Iterations Apr 19, 2022 - May 2, 2022

changed milestone to %1.33.0

added Good First Issue label

assigned to @kevin.wilder

added statusdoing label

created branch 1151-add-postrenderer-and-bump-kc-version to address this issue

mentioned in merge request !1585 (merged)

added statusreview label and removed statusdoing label

closed with merge request !1585 (merged)

mentioned in commit daf1d12e

removed statusreview label