Initial work on new SAP addon

[FaserF]

Proposed Changes

(Describe the changes and rationale behind them)

Related Issues

(Github link to related issues or pull requests)

Summary by CodeRabbit

• New Features
  • Introduced a CHANGELOG.md file for tracking project updates and changes.
  • Added a Dockerfile for creating a containerized environment for the ABAP Cloud Developer Trial.
  • Created a comprehensive README.md file detailing installation, configuration, and support for the SAP ABAP Cloud Developer Trial.
  • Introduced a config.yaml file for managing application configuration settings.
  • Added a run.sh script to streamline the initialization of the SAP environment.