feat: add basic tracer usage (#239)
feat: add basic tracer usage (#239)


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