doc: add LukasGardberg as a contributor for code (#132)

* update CONTRIBUTORS.md [skip ci]

* update .all-contributorsrc [skip ci]

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>
Co-authored-by: Yi-Xuan Xu <xuyx@lamda.nju.edu.cn>

Author: allcontributors[bot]

.all-contributorsrc

@@ -115,6 +115,16 @@
         "code"
       ]
     },
+    {
+      "login": "LukasGardberg",
+      "name": "LukasGardberg",
+      "avatar_url": "https://avatars.githubusercontent.com/u/52111220?v=4",
+      "profile": "https://github.com/LukasGardberg",
+      "contributions": [
+        "code",
+        "test"
+      ]
+    },
     {
       "login": "SarthakJariwala",
       "name": "SarthakJariwala",

CONTRIBUTORS.md

@@ -23,6 +23,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center"><a href="https://github.com/cspsampedro"><img src="https://avatars.githubusercontent.com/u/7384605?v=4?s=100" width="100px;" alt="cspsampedro"/><br /><sub><b>cspsampedro</b></sub></a><br /><a href="#ideas-cspsampedro" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/TorchEnsemble-Community/Ensemble-Pytorch/commits?author=cspsampedro" title="Code">💻</a></td>
       <td align="center"><a href="https://github.com/kiranchari"><img src="https://avatars.githubusercontent.com/u/1838910?v=4?s=100" width="100px;" alt="kiranchari"/><br /><sub><b>kiranchari</b></sub></a><br /><a href="https://github.com/TorchEnsemble-Community/Ensemble-Pytorch/commits?author=kiranchari" title="Documentation">📖</a></td>
       <td align="center"><a href="https://github.com/nolaurence"><img src="https://avatars.githubusercontent.com/u/53215736?v=4?s=100" width="100px;" alt="nolaurence"/><br /><sub><b>nolaurence</b></sub></a><br /><a href="https://github.com/TorchEnsemble-Community/Ensemble-Pytorch/commits?author=nolaurence" title="Code">💻</a></td>
+      <td align="center"><a href="https://github.com/LukasGardberg"><img src="https://avatars.githubusercontent.com/u/52111220?v=4?s=100" width="100px;" alt=""/><br /><sub><b>LukasGardberg</b></sub></a><br /><a href="https://github.com/TorchEnsemble-Community/Ensemble-Pytorch/commits?author=LukasGardberg" title="Code">💻</a></td>
     </tr>
   </tbody>
   <tfoot>