Documentation: Fix typo and add specification in openshift connector doc (#1687)
Documentation: Fix typo and add specification in openshift connector doc (#1687)

Serviceaccount annotation in oc patch instruction was malformed. Format
specification of Client ID for a Service Account was missing.
wolfeidau/dex,coreos/dex,coreos/dex,ericchiang/dex,ericchiang/dex,coreos/dex,wolfeidau/dex,wolfeidau/dex,ericchiang/dex