Update README.md

Author: rcastley

README.md

@@ -16,6 +16,8 @@ Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 
 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
 
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 To get started, please proceed to [The Splunk Observability Cloud Workshops Homepage](https://splunk.github.io/observability-workshop/latest/).
 
 If you are the host for the RUM workshop, please check this [README](https://github.com/splunk/observability-workshop/blob/main/workshop/apm/README.md)