feat: enhance image comparison functionality in gimp.py - Added resizing logic to handle images of different sizes before comparison, ensuring consistent evaluation. - Implemented mode conversion to ensure both images are in the same format for accurate comparison. - Enhanced structure check by MSE to support conversion of numpy arrays to PIL Images, improving compatibility. - Maintained existing logic while improving robustness and accuracy of image comparison methods.

Add safe browsing feature to Chrome evaluator - Implemented `get_enable_safe_browsing` function to retrieve safe browsing settings based on the operating system. - Updated the `__init__.py` to include the new function. - Modified JSON examples to reflect the change from enabling enhanced safety browsing to enabling safe browsing. - Added necessary commands in the JSON examples for setting up preferences for safe browsing.

ver Dec22nd re-organized the evaluator structure to improve the extensibility

Clean code; Add todos in desktop_env README