Improved Image Selection & Type Hints

Bugfix: Correctly renames auto-selected images for collage processing

Beta-Release version 0.9.0: Core processing finalized, including batc…

…h support, image optimization, compression, and logging improvements.

Core processing implementation: batch handling, image selection, file…

… copying, and logging improvements

Release version 0.0.3 with improved parameter validation and logging.

Release version 0.0.2 with parameter validation and path verification.