Update the Habitat 2.0 citation (#1360)

README.md

@@ -51,9 +51,16 @@ AI Habitat enables training of embodied AI agents (virtual robots) in a highly p
 This empowers a paradigm shift from 'internet AI' based on static datasets (e.g. ImageNet, COCO, VQA) to embodied AI where agents act within realistic environments, bringing to the fore active perception, long-term planning, learning from interaction, and holding a dialog grounded in an environment.
 
 ## Citing Habitat
-If you use the Habitat platform in your research, please cite the following [paper](https://arxiv.org/abs/1904.01201):
+If you use the Habitat platform in your research, please cite the [Habitat](https://arxiv.org/abs/1904.01201) and [Habitat 2.0](https://arxiv.org/abs/2106.14405) papers:
 
 ```
+@article{szot2021habitat,
+  title     =     {Habitat 2.0: Training Home Assistants to Rearrange their Habitat},
+  author    =     {Andrew Szot and Alex Clegg and Eric Undersander and Erik Wijmans and Yili Zhao and John Turner and Noah Maestre and Mustafa Mukadam and Devendra Chaplot and Oleksandr Maksymets and Aaron Gokaslan and Vladimir Vondrus and Sameer Dharur and Franziska Meier and Wojciech Galuba and Angel Chang and Zsolt Kira and Vladlen Koltun and Jitendra Malik and Manolis Savva and Dhruv Batra},
+  journal   =     {arXiv preprint arXiv:2106.14405},
+  year      =     {2021}
+}
+
 @inproceedings{habitat19iccv,
   title     =     {Habitat: {A} {P}latform for {E}mbodied {AI} {R}esearch},
   author    =     {Manolis Savva and Abhishek Kadian and Oleksandr Maksymets and Yili Zhao and Erik Wijmans and Bhavana Jain and Julian Straub and Jia Liu and Vladlen Koltun and Jitendra Malik and Devi Parikh and Dhruv Batra},
@@ -373,5 +380,5 @@ The Habitat project would not have been possible without the support and contrib
 Habitat-Sim is MIT licensed. See the [LICENSE](LICENSE) for details.
 
 ## References
-
-1. [Habitat: A Platform for Embodied AI Research](https://arxiv.org/abs/1904.01201). Manolis Savva, Abhishek Kadian, Oleksandr Maksymets, Yili Zhao, Erik Wijmans, Bhavana Jain, Julian Straub, Jia Liu, Vladlen Koltun, Jitendra Malik, Devi Parikh, Dhruv Batra. IEEE/CVF International Conference on Computer Vision (ICCV), 2019.
+1. [Habitat 2.0: Training Home Assistants to Rearrange their Habitat](https://arxiv.org/abs/2106.14405) Andrew Szot, Alex Clegg, Eric Undersander, Erik Wijmans, Yili Zhao, John Turner, Noah Maestre, Mustafa Mukadam, Devendra Chaplot, Oleksandr Maksymets, Aaron Gokaslan, Vladimir Vondrus, Sameer Dharur, Franziska Meier, Wojciech Galuba, Angel Chang, Zsolt Kira, Vladlen Koltun, Jitendra Malik, Manolis Savva, Dhruv Batra. arXiv preprint arXiv:2106.14405, 2021.
+2. [Habitat: A Platform for Embodied AI Research](https://arxiv.org/abs/1904.01201). Manolis Savva, Abhishek Kadian, Oleksandr Maksymets, Yili Zhao, Erik Wijmans, Bhavana Jain, Julian Straub, Jia Liu, Vladlen Koltun, Jitendra Malik, Devi Parikh, Dhruv Batra. IEEE/CVF International Conference on Computer Vision (ICCV), 2019.