Mask Dataset Management

[hipsterusername]

After creating a new dataset, and attempting to add images, receiving a validation error due to missing mask path:

error
1 validation error for ImageCaptionExample mask_path Field required [type=missing, input_value={'image_path': 'C:\Users...244.jpg', 'caption': ''}, input_type=dict] For further information visit https://errors.pydantic.dev/2.5/v/missing

[RyanJDick]

Fixed by #140