Add CONTRIBUTING.md (#23)
Add CONTRIBUTING.md (#23)


open-telemetry/opentelemetry-js-contrib,open-telemetry/opentelemetry-js,open-telemetry/opentelemetry-js-contrib,open-telemetry/opentelemetry-js-contrib,open-telemetry/opentelemetry-js,open-telemetry/opentelemetry-js,open-telemetry/opentelemetry-js-contrib,open-telemetry/opentelemetry-js