Update README.md

Author: goergisn

README.md

@@ -165,7 +165,7 @@ swift build --configuration release
 ```
 
 ## Github Action
-The public-api-diff can be used easily via the provided github action.
+The public-api-diff can be used easily via the provided github action, which creates a comment on a PR (if applicable) and also adds it to the Github step summary.
 ```bash
 - name: 🔍 Detect Changes
   uses: Adyen/adyen-swift-public-api-diff@0.4.0
@@ -174,6 +174,7 @@ The public-api-diff can be used easily via the provided github action.
     new: "develop~https://github.com/Adyen/adyen-ios.git"
     old: "5.12.0~https://github.com/Adyen/adyen-ios.git"
 ```
+See: [example workflow](https://github.com/Adyen/adyen-swift-public-api-diff/blob/main/Examples/github-workflow.yml)
 
 ## Alternatives
 - **swift-api-digester**