jmx scraper add link to instrumentation yaml for tomcat (open-telemetry#2003)

Author: SylvainJuge

jmx-scraper/README.md

@@ -70,7 +70,7 @@ Supported values for `otel.jmx.target.system` and support for `otel.jmx.target.s
 | `kafka-consumer`         | Apache Kafka consumer | [`kafka-consumer.yaml`](src/main/resources/kafka-consumer.yaml) |                                                                                                                                                                                                                                                                                                           |
 | `kafka-producer`         | Apache Kafka producer | [`kafka-producer.yaml`](src/main/resources/kafka-producer.yaml) |                                                                                                                                                                                                                                                                                                           |
 | `solr`                   | Apache Solr           | [`solr.yaml`](src/main/resources/solr.yaml)                     |                                                                                                                                                                                                                                                                                                           |
-| `tomcat`                 | Apache Tomcat         | [`tomcat.yaml`](src/main/resources/tomcat.yaml)                 |                                                                                                                                                                                                                                                                                                           |
+| `tomcat`                 | Apache Tomcat         | [`tomcat.yaml`](src/main/resources/tomcat.yaml)                 | [`tomcat.yaml`](https://github.com/open-telemetry/opentelemetry-java-instrumentation/blob/main/instrumentation/jmx-metrics/library/src/main/resources/jmx/rules/tomcat.yaml)                                                                                                                              |
 | `wildfly`                | Wildfly               | [`wildfly.yaml`](src/main/resources/wildfly.yaml)               |                                                                                                                                                                                                                                                                                                           |
 
 The source of metrics definitions is controlled by `otel.jmx.target.source`: