Update collector/README.md

Co-authored-by: Severin Neumann <[email protected]>

Author: serkan-ozal

collector/README.md

@@ -53,6 +53,7 @@ For example, if you want to add the extension `foo`, the file providing this ext
 You can provide your addition as a pull-request to this repository. Before doing so, please also read through the details of [Contributing](#contributing) to this project.
 
 ## Build and publish your own OpenTelemetry Collector Lambda layer
+
 To build and publish collector Lambda layer from your own fork/branch into your own AWS account, 
 you can use the `Publish Collector Lambda Layer` workflow which can only be triggered manually.