[chore] [exporter/pulsar] docs: add link to Apache Pulsar (#37252)

Related to
#37163.
Turns out there's also an exporter 😅

exporter/pulsarexporter/README.md

@@ -12,8 +12,8 @@
 [contrib]: https://github.com/open-telemetry/opentelemetry-collector-releases/tree/main/distributions/otelcol-contrib
 <!-- end autogenerated section -->
 
-Pulsar exporter exports logs, metrics, and traces to Pulsar. This exporter uses a synchronous producer
-that blocks and able to batch messages.
+Pulsar exporter exports logs, metrics, and traces to [Apache Pulsar](https://pulsar.apache.org/).
+This exporter uses a synchronous producer that blocks and able to batch messages.
 
 ## Get Started