[FEATURE REQUEST] Integration with OpenTelemetry

**Is your feature request related to a problem? Please describe.**
I didn't found any section/tutorial related to integrating [Open Telemetry](https://opentelemetry.io/) for requests and spans tracing. Would be nice to have simple plug-in integration with otel

**Describe the solution you'd like**
Simple way to enable tracing with Open Telemetry

**Additional context**
I wanted to switch from go-gin and there is [otel integration](https://github.com/open-telemetry/opentelemetry-go-contrib/tree/main/instrumentation/github.com/gin-gonic/gin/otelgin) which require to to just add one line