Add section to list which container registries are available to pull …

…images from (#188)

Co-authored-by: Evan Bradley <11745660+evan-bradley@users.noreply.github.com>

README.md

@@ -15,6 +15,13 @@ For configuration examples, please see [`config_examples`].
 [Dynatrace's documentation]: https://docs.dynatrace.com/docs/extend-dynatrace/opentelemetry/collector/deployment
 [`config_examples`]: ./config_examples/README.md
 
+### Container images
+
+Container images for the Dynatrace distribution of the OpenTelemetry Collector are available in:
+
+- [GitHub Container Registry (GHCR)](https://github.com/Dynatrace/dynatrace-otel-collector/pkgs/container/dynatrace-otel-collector%2Fdynatrace-otel-collector)
+- [Amazon Elastic Container Registry (Amazon ECR)](https://gallery.ecr.aws/dynatrace/dynatrace-otel-collector)
+
 ## Troubleshooting
 
 For help troubleshooting issues, please see the [OpenTelemetry documentation]