need commercial friendly pre-trained weights for endoscopic_tool_segmentation bundle and example

[daguangxu]

Is your feature request related to a problem? Please describe.
endoscopic_tool_segmentation bundle uses imagenet pre-trained weights which is for non-commercial use

Describe the solution you'd like
Need commercial friendly pre-trained weights for endoscopic_tool_segmentation bundle and example, similar to https://github.com/Project-MONAI/model-zoo/tree/dev/models/pathology_nuclei_segmentation_classification