Added Visual Language Navigation dataset download link (#263)

Added Visual Language Navigation dataset download link

README.md

@@ -157,9 +157,10 @@ Download the Habitat related Gibson dataset following the instructions [here](ht
 ### Task datasets
 | Task | Scenes | Link | Extract path | Config to use | Archive size |
 | --- | --- | --- | --- | --- | --- |
-| Point goal navigtaion | Gibson | [pointnav_gibson_v1.zip](https://dl.fbaipublicfiles.com/habitat/data/datasets/pointnav/gibson/v1/pointnav_gibson_v1.zip) | `data/datasets/pointnav/gibson/v1/` |  [`datasets/pointnav/gibson.yaml`](configs/datasets/pointnav/gibson.yaml) | 385 MB |
-| Point goal navigtaion | MatterPort3D | [pointnav_mp3d_v1.zip](https://dl.fbaipublicfiles.com/habitat/data/datasets/pointnav/mp3d/v1/pointnav_mp3d_v1.zip) | `data/datasets/pointnav/mp3d/v1/` | [`datasets/pointnav/mp3d.yaml`](configs/datasets/pointnav/mp3d.yaml) | 400 MB |
-| Embodied Question Answering | MatterPort3D | [eqa_mp3d_v1.zip](https://dl.fbaipublicfiles.com/habitat/data/datasets/eqa/mp3d/v1/eqa_mp3d_v1.zip) | `data/datasets/eqa/mp3d/v1/` | [`datasets/eqa/mp3d.yaml`](configs/datasets/eqa/mp3d.yaml) | 44 MB |
+| [Point goal navigation](https://arxiv.org/abs/1807.06757) | Gibson | [pointnav_gibson_v1.zip](https://dl.fbaipublicfiles.com/habitat/data/datasets/pointnav/gibson/v1/pointnav_gibson_v1.zip) | `data/datasets/pointnav/gibson/v1/` |  [`datasets/pointnav/gibson.yaml`](configs/datasets/pointnav/gibson.yaml) | 385 MB |
+| [Point goal navigation](https://arxiv.org/abs/1807.06757) | MatterPort3D | [pointnav_mp3d_v1.zip](https://dl.fbaipublicfiles.com/habitat/data/datasets/pointnav/mp3d/v1/pointnav_mp3d_v1.zip) | `data/datasets/pointnav/mp3d/v1/` | [`datasets/pointnav/mp3d.yaml`](configs/datasets/pointnav/mp3d.yaml) | 400 MB |
+| [Embodied Question Answering](https://embodiedqa.org/) | MatterPort3D | [eqa_mp3d_v1.zip](https://dl.fbaipublicfiles.com/habitat/data/datasets/eqa/mp3d/v1/eqa_mp3d_v1.zip) | `data/datasets/eqa/mp3d/v1/` | [`datasets/eqa/mp3d.yaml`](configs/datasets/eqa/mp3d.yaml) | 44 MB |
+| [Visual Language Navigation](https://bringmeaspoon.org/) | MatterPort3D | [vln_r2r_mp3d_v1.zip](https://dl.fbaipublicfiles.com/habitat/data/datasets/vln/mp3d/r2r/v1/vln_r2r_mp3d_v1.zip) | `data/datasets/vln/mp3d/r2r/v1` | [`datasets/vln/mp3d_r2r.yaml`](configs/datasets/vln/mp3d_r2r.yaml) | 2.7 MB |
 
 To use an episode dataset provide related config to the Env in [the example](#example) or use the config for [RL agent training](habitat_baselines/README.md#reinforcement-learning-rl).