[mdatagen] Add support for example configurations in metadata.yaml#14133

sAchin-680 wants to merge 2 commits intoopen-telemetry:mainopen-telemetry/opentelemetry-collector:mainfrom

sAchin-680:feat/mdatagen-example-configssAchin-680/opentelemetry-collector:feat/mdatagen-example-configsCopy head branch name to clipboard