Add dataset card

This PR adds a dataset card for the DTTD-Mobile dataset, linking to the paper and the project page.

README.md

@@ -1 +1,9 @@
-Example `dataset.py` and simulated file structure within `root`. 
+---
+task_categories:
+- robotics
+---
+
+This repository contains an example `dataset.py` and simulated file structure within `root`.
+It is the dataset for the paper [Robust 6DoF Pose Estimation Against Depth Noise and a Comprehensive Evaluation on a Mobile Dataset](https://huggingface.co/papers/2309.13570).
+
+Project page: https://openark-berkeley.github.io/DTTDNet/