- Implement UC8159cDecoder for handling 7-colour ACeP panels.
- Introduce painting functions for UC8159c frames in EPaperPart.
- Update EPaperPart to handle both SSD168x and UC8159c frame types.
- Add integration tests for EPaperPart and UC8159cDecoder.
- Create example sketch for 5.65" ACeP 7-colour panel.
- Enhance error handling in test cases for library dependencies.