Update readme with instructions on how to use opentelementry_logs module.

Author: Peter Törnstrand

.env.seq

@@ -1,6 +1,7 @@
 OTEL_PHP_AUTOLOAD_ENABLED=true
 OTEL_SERVICE_NAME=Drupal
 OTEL_TRACES_EXPORTER=otlp
+OTEL_LOGS_EXPORTER=otlp
 OTEL_EXPORTER_OTLP_PROTOCOL=http/protobuf
 OTEL_EXPORTER_OTLP_ENDPOINT=http://seq/ingest/otlp
 OTEL_PROPAGATORS=baggage,tracecontext

README.md

@@ -26,6 +26,12 @@ and add the **Endpoint** `http://seq/ingest/otlp`.
 That's it. Open `http://seq.<DDEV_NAME>.ddev.site:8501/` to start exploring
 your logs and traces.
 
+### Use OpenTelementry Logs module
+
+If you want to use the log module bundled with the OpenTelemetry module you
+need to apply the patch from [the following issue](https://www.drupal.org/project/opentelemetry/issues/3505594)
+to get the log message body into Seq.
+
 ## Tracing
 
 The following example of how to do your own tracing in your custom code is