[feat] Enhance TaskCLI with new image and text processing commands

- Added multiple commands to TaskCLI for image processing tasks including background removal, object detection, classification, segmentation, and generating text from images.
- Introduced options for model configuration, input/output file handling, and enhanced error handling for model resolution.
- Refactored existing commands to utilize a unified model resolution function, improving code maintainability.
- Updated runTasks function to return results for better integration with UI components.
- Improved TaskUI component to handle error messages more gracefully.

Author: sroussey