add PublicViewer support

[filariow]

linked to:

• add PublicViewer support host-operator#998
• add PublicViewerConfig in ToolchainConfig api#410
• add PublicViewerConfig utils toolchain-common#377

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: filariow
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[sonarcloud]

Quality Gate passed

Issues
7 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
10.4% Duplication on New Code

See analysis details on SonarCloud

[openshift-ci]

@filariow: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e	f4d7e2e	link	true	/test e2e

Full PR test history. Your PR dashboard.

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[openshift-merge-robot]

PR needs rebase.

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