fix table (#5429)

Author: Chris Elion

README.md

@@ -75,6 +75,7 @@ under active development and may be unstable. A few helpful guidelines:
 | **Verified Package 1.0.7** | March 8, 2021 | [source](https://github.com/Unity-Technologies/ml-agents/tree/com.unity.ml-agents_1.0.7) | [docs](https://github.com/Unity-Technologies/ml-agents/blob/release_2_verified_docs/docs/Readme.md) | [download](https://github.com/Unity-Technologies/ml-agents/archive/com.unity.ml-agents_1.0.7.zip) | [0.16.1](https://pypi.org/project/mlagents/0.16.1/) | [1.0.7](https://docs.unity3d.com/Packages/[email protected]/manual/index.html) |
 | **Release 14** | March 5, 2021 | [source](https://github.com/Unity-Technologies/ml-agents/tree/release_14) | [docs](https://github.com/Unity-Technologies/ml-agents/tree/release_14_docs/docs/Readme.md) | [download](https://github.com/Unity-Technologies/ml-agents/archive/release_14.zip) | [0.24.1](https://pypi.org/project/mlagents/0.24.1/) | [1.8.1](https://docs.unity3d.com/Packages/[email protected]/manual/index.html) |
 | **Release 13** | February 17, 2021 | [source](https://github.com/Unity-Technologies/ml-agents/tree/release_13) | [docs](https://github.com/Unity-Technologies/ml-agents/tree/release_13_docs/docs/Readme.md) | [download](https://github.com/Unity-Technologies/ml-agents/archive/release_13.zip) | [0.24.0](https://pypi.org/project/mlagents/0.24.0/) | [1.8.0](https://docs.unity3d.com/Packages/[email protected]/manual/index.html) |
+
 If you are a researcher interested in a discussion of Unity as an AI platform,
 see a pre-print of our
 [reference paper on Unity and the ML-Agents Toolkit](https://arxiv.org/abs/1809.02627).