fix link to tutorials in readme

Summary: Pull Request resolved: https://github.com/facebookresearch/pytorch3d/pull/7

Differential Revision: D19556384

Pulled By: nikhilaravi

fbshipit-source-id: 4bd93a3bff92cbba78600bda703a19fd1c663109

README.md

@@ -37,11 +37,11 @@ Get started with PyTorch3d by trying one of the tutorial notebooks.
 
 |<img src="https://raw.githubusercontent.com/facebookresearch/pytorch3d/master/.github/dolphin_deform.gif" width="310"/>|<img src="https://raw.githubusercontent.com/facebookresearch/pytorch3d/master/.github/bundle_adjust.gif" width="310"/>|
 |:-----------------------------------------------------------------------------------------------------------:|:--------------------------------------------------:|
-| [Deform a sphere mesh to dolphin](https://github.com/fairinternal/pytorch3d/blob/master/docs/tutorials/deform_source_mesh_to_target_mesh.ipynb)| [Bundle adjustment](https://github.com/fairinternal/pytorch3d/blob/master/docs/tutorials/bundle_adjustment.ipynb) |
+| [Deform a sphere mesh to dolphin](https://github.com/facebookresearch/pytorch3d/blob/master/docs/tutorials/deform_source_mesh_to_target_mesh.ipynb)| [Bundle adjustment](https://github.com/facebookresearch/pytorch3d/blob/master/docs/tutorials/bundle_adjustment.ipynb) |
 
 | <img src="https://raw.githubusercontent.com/facebookresearch/pytorch3d/master/.github/render_textured_mesh.gif" width="310"/> | <img src="https://raw.githubusercontent.com/facebookresearch/pytorch3d/master/.github/camera_position_teapot.gif" width="310" height="310"/>
 |:------------------------------------------------------------:|:--------------------------------------------------:|
-| [Render textured meshes](https://github.com/fairinternal/pytorch3d/blob/master/docs/tutorials/render_textured_meshes.ipynb)| [Camera position optimization](https://github.com/fairinternal/pytorch3d/blob/master/docs/tutorials/camera_position_optimization_with_differentiable_rendering.ipynb)|
+| [Render textured meshes](https://github.com/facebookresearch/pytorch3d/blob/master/docs/tutorials/render_textured_meshes.ipynb)| [Camera position optimization](https://github.com/facebookresearch/pytorch3d/blob/master/docs/tutorials/camera_position_optimization_with_differentiable_rendering.ipynb)|
 
 ## Documentation