Olivier Dulcy

Results 3 issues of Olivier Dulcy

This PR aims to add pytorch demo equivalent to the tensorflow one. See https://github.com/mindee/doctr/issues/658. ## Question Should we need also to update something for the `live demo` ? https://github.com/mindee/doctr#live-demo

type: enhancement
ext: demo
framework: pytorch

This PR includes TF checkpoints for these models: - mobilenet_v3_small_crop_orientation - mobilenet_v3_small_page_orientation Also `test_page_orientation_model` has been enabled.