Implement KatibConfig API #796

Job	Run time
Publish Image (cert-generator, cmd/cert-generator/v1beta1/Dockerfile) / Publish Image	13m 17s
Publish Image (file-metrics-collector, cmd/metricscollector/v1beta1/file-metricscollector/Dockerf... / Publish Image	11m 50s
Publish Image (katib-controller, cmd/katib-controller/v1beta1/Dockerfile) / Publish Image	23m 57s
Publish Image (katib-db-manager, cmd/db-manager/v1beta1/Dockerfile) / Publish Image	7m 56s
Publish Image (katib-ui, cmd/new-ui/v1beta1/Dockerfile) / Publish Image	59m 18s
Publish Image (tfevent-metrics-collector, cmd/metricscollector/v1beta1/tfevent-metricscollector/D... / Publish Image	9m 14s
	2h 5m 32s

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