add doc on how to create api view in rlc quickstart (#19907)

documentation/RLC-quickstart.md

@@ -550,3 +550,6 @@ extends:
 Please change the paths.include value as your own project path, and change the Artifacts name and safeName into yours.  
 
 If there's already a ci.yml file in your project path. then the only thing you need to do is to add the Artifacts name and safeName of yours into that ci.yml.  
+
+# Create API View
+You may also want to create API View when submitting a PR. You can do it easily by uploading a json file to [API View Website](https://apiview.dev/). The json file is under `<you-sdk-folder>/temp`, and its name ends with `api.json`. For example: `sdk/compute/arm-compute/temp/arm-compute.api.json`.