Added the following functions:
- propainter_inpaint() : ProPainter in inpainting mode
- propainter_outpaint() : ProPainter in outpainting mode
To the function propainter() has been added the following parameters:
- model: Model used by ProPainter to render the frames, available values are:
0: Inpainting Mask Mode (using img_mask/clip_mask)
1: Outpainting Mode (using outpaint_size)
Default: 0 - outpaint_size: Size of extrapolated frames for outpainting, format: (width, height). Default: None