Add support for calib3d module

[lunzhang]

Hi, is there any future plan to add the calib3d module. I'm specifically interested in the five-point algorithm. algorithm . It would be great to use this on the web.

[mjyc]

I was able to expose the calib3d into opencv.js, see https://github.com/mjyc/opencv/tree/js3.4.5_calib3d/platforms/js/opencv.js