Add link to paper, pipeline tag

This PR ensures the model can be found at https://huggingface.co/models?pipeline_tag=text-to-3d&sort=trending, as well as at https://huggingface.co/papers/2412.01506.

Cheers!

README.md

@@ -1,4 +1,5 @@
 ---
+pipeline_tag: text-to-3d
 license: mit
 language:
 - en
@@ -7,4 +8,8 @@ language:
 
 <!-- Provide a quick summary of what the model is/does. -->
 
-The image conditioned version of TRELLIS, a large 3D genetive model.
+The image conditioned version of TRELLIS, a large 3D genetive model. It was introduced in the paper [Structured 3D Latents for Scalable and Versatile 3D Generation](https://huggingface.co/papers/2412.01506).
+
+Project page: https://trellis3d.github.io/
+
+Code: https://github.com/Microsoft/TRELLIS