hide peerpods and peerpodconfigs internal objects

[snir911]

based on:
https://docs.openshift.com/container-platform/4.12/operators/operator_sdk/osdk-generating-csvs.html#osdk-hiding-internal-objects_osdk-generating-csvs

[snir911]

cc @bpradipt @jensfr @pmores for reviewing

[bpradipt]

/lgtm
It's a simple change and helps with the user experience. Thanks @snir911

[tbuskey]

premerge - I don't see the PeerPod APIs. They're invisible as they should be.

I get an error installing kataconfig:
installationStatus:
IsInProgress: "True"
completed: {}
failed:
failedNodesReason: 'Node tbuskey-230524-2-6nbhl-worker-eastus1-t9hkp is reporting:
"invalid extensions found: [kata-containers]"'
inprogress: {}
runtimeClass: ""

[tbuskey]

pre-merge success!
/lgtm
/approve