Allow for custom HTTP headers injected as an env var #233

Namespace: <a href="https://detailurl.setting.custom-console-url-namespace.is.not.configured" rel="nofollow">hcm-eng-prod-tenant
PipelineRun: <a href="https://console.redhat.com/application-pipeline/ns/hcm-eng-prod-tenant/pipelinerun/frontend-operator-on-pull-request-bpmrk" rel="nofollow">frontend-operator-on-pull-request-bpmrk

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