Add depth pro to the object detection python program

[lregueiferos]

Implement the Apple Depth Pro depth model into the OpenCV object detection to estimate the distance of the keys for the typing task.
link provided below
https://github.com/apple/ml-depth-pro

[lregueiferos]

Instead of using depth, we will be using the focal length using this formula: distance = (object_size * focal_length) / image_size.