docs: add maltevogl as a contributor for doc (#53)

* 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

@@ -57,7 +57,8 @@
       "contributions": [
         "code",
         "review",
-        "test"
+        "test",
+        "doc"
       ]
     }
   ],

README.md

@@ -79,7 +79,7 @@ tox -e docs
       <td align="center"><a href="http://rlskoeser.github.io"><img src="https://avatars.githubusercontent.com/u/691231?v=4?s=100" width="100px;" alt="Rebecca Sutton Koeser"/><br /><sub><b>Rebecca Sutton Koeser</b></sub></a><br /><a href="https://github.com/dh-tech/hackathon-2022/commits?author=rlskoeser" title="Code">💻</a> <a href="https://github.com/dh-tech/hackathon-2022/pulls?q=is%3Apr+reviewed-by%3Arlskoeser" title="Reviewed Pull Requests">👀</a> <a href="https://github.com/dh-tech/hackathon-2022/commits?author=rlskoeser" title="Tests">⚠️</a></td>
       <td align="center"><a href="https://github.com/robcast"><img src="https://avatars.githubusercontent.com/u/1488847?v=4?s=100" width="100px;" alt="Robert Casties"/><br /><sub><b>Robert Casties</b></sub></a><br /><a href="#data-robcast" title="Data">🔣</a></td>
       <td align="center"><a href="https://github.com/jdamerow"><img src="https://avatars.githubusercontent.com/u/8881141?v=4?s=100" width="100px;" alt="Julia Damerow"/><br /><sub><b>Julia Damerow</b></sub></a><br /><a href="https://github.com/dh-tech/hackathon-2022/commits?author=jdamerow" title="Code">💻</a> <a href="https://github.com/dh-tech/hackathon-2022/pulls?q=is%3Apr+reviewed-by%3Ajdamerow" title="Reviewed Pull Requests">👀</a> <a href="https://github.com/dh-tech/hackathon-2022/commits?author=jdamerow" title="Tests">⚠️</a> <a href="#eventOrganizing-jdamerow" title="Event Organizing">📋</a></td>
-      <td align="center"><a href="https://github.com/maltevogl"><img src="https://avatars.githubusercontent.com/u/20907912?v=4?s=100" width="100px;" alt="Malte Vogl"/><br /><sub><b>Malte Vogl</b></sub></a><br /><a href="https://github.com/dh-tech/hackathon-2022/commits?author=maltevogl" title="Code">💻</a> <a href="https://github.com/dh-tech/hackathon-2022/pulls?q=is%3Apr+reviewed-by%3Amaltevogl" title="Reviewed Pull Requests">👀</a> <a href="https://github.com/dh-tech/hackathon-2022/commits?author=maltevogl" title="Tests">⚠️</a></td>
+      <td align="center"><a href="https://github.com/maltevogl"><img src="https://avatars.githubusercontent.com/u/20907912?v=4?s=100" width="100px;" alt="Malte Vogl"/><br /><sub><b>Malte Vogl</b></sub></a><br /><a href="https://github.com/dh-tech/hackathon-2022/commits?author=maltevogl" title="Code">💻</a> <a href="https://github.com/dh-tech/hackathon-2022/pulls?q=is%3Apr+reviewed-by%3Amaltevogl" title="Reviewed Pull Requests">👀</a> <a href="https://github.com/dh-tech/hackathon-2022/commits?author=maltevogl" title="Tests">⚠️</a> <a href="https://github.com/dh-tech/hackathon-2022/commits?author=maltevogl" title="Documentation">📖</a></td>
     </tr>
   </tbody>
 </table>