docs: add blegat as a contributor for doc (#571)

* docs: update README.md [skip ci]

* docs: update .all-contributorsrc [skip ci]

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

Author: allcontributors[bot]

.all-contributorsrc

@@ -451,6 +451,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "blegat",
+      "name": "Benoît Legat",
+      "avatar_url": "https://avatars.githubusercontent.com/u/1048205?v=4",
+      "profile": "http://blegat.github.io",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -235,6 +235,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/andreyzhitnikov"><img src="https://avatars.githubusercontent.com/u/20877529?v=4?s=100" width="100px;" alt=""/><br /><sub><b>andreyzhitnikov</b></sub></a><br /><a href="https://github.com/JuliaReinforcementLearning/ReinforcementLearning.jl/issues?q=author%3Aandreyzhitnikov" title="Bug reports">🐛</a></td>
     <td align="center"><a href="https://github.com/kir0ul"><img src="https://avatars.githubusercontent.com/u/6053592?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Andrea PIERRÉ</b></sub></a><br /><a href="https://github.com/JuliaReinforcementLearning/ReinforcementLearning.jl/commits?author=kir0ul" title="Documentation">📖</a></td>
     <td align="center"><a href="https://github.com/Mo8it"><img src="https://avatars.githubusercontent.com/u/76752051?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Mo8it</b></sub></a><br /><a href="https://github.com/JuliaReinforcementLearning/ReinforcementLearning.jl/commits?author=Mo8it" title="Code">💻</a></td>
+    <td align="center"><a href="http://blegat.github.io"><img src="https://avatars.githubusercontent.com/u/1048205?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Benoît Legat</b></sub></a><br /><a href="https://github.com/JuliaReinforcementLearning/ReinforcementLearning.jl/commits?author=blegat" title="Documentation">📖</a></td>
   </tr>
 </table>