* feat(main.py): add --aider-config argument to specify aider config file path for better configuration management
feat(programmer.py): include aider config in command if specified to enhance functionality
test: add unit test for aider config flag inclusion in command to ensure correct behavior
chore: update requirements-dev.txt to include pytest-mock for testing enhancements
* test(tests/ra_aid/test_programmer.py): remove unnecessary comments to improve code readability and maintainability