Add section for SAP-internal usage of pull request automation (#18)

Author: daniel-richter

README.md

@@ -93,6 +93,10 @@ This project is open to feature requests/suggestions, bug reports etc. via [GitH
 
 If you find any bug that may be a security problem, please follow our instructions at [in our security policy](https://github.com/SAP/ai-assisted-github-actions/security/policy) on how to report it. Please do not create GitHub issues for security-related doubts or problems.
 
+## SAP-internal Usage
+
+As a SAP employee, please check out and use our [internal integrated solution for pull request automation](https://url.sap/2qqvl0).
+
 ## Code of Conduct
 
 We as members, contributors, and leaders pledge to make participation in our community a harassment-free experience for everyone. By participating in this project, you agree to abide by its [Code of Conduct](https://github.com/SAP/.github/blob/main/CODE_OF_CONDUCT.md) at all times.