docs: add deining as a contributor for doc (#575)

* docs: update README.md [skip ci]

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

---------

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

.all-contributorsrc

@@ -497,6 +497,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "deining",
+      "name": "Andreas Deininger",
+      "avatar_url": "https://avatars.githubusercontent.com/u/18169566?v=4",
+      "profile": "https://github.com/deining",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -401,6 +401,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/ViacheslavKudinov"><img src="https://avatars.githubusercontent.com/u/56436734?v=4?s=100" width="100px;" alt="Viacheslav Kudinov"/><br /><sub><b>Viacheslav Kudinov</b></sub></a><br /><a href="#security-ViacheslavKudinov" title="Security">🛡️</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/justanotheranonymoususer"><img src="https://avatars.githubusercontent.com/u/5781692?v=4?s=100" width="100px;" alt="justanotheranonymoususer"/><br /><sub><b>justanotheranonymoususer</b></sub></a><br /><a href="https://github.com/EndBug/add-and-commit/issues?q=author%3Ajustanotheranonymoususer" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://cderv.rbind.io"><img src="https://avatars.githubusercontent.com/u/6791940?v=4?s=100" width="100px;" alt="Christophe Dervieux"/><br /><sub><b>Christophe Dervieux</b></sub></a><br /><a href="https://github.com/EndBug/add-and-commit/commits?author=cderv" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/deining"><img src="https://avatars.githubusercontent.com/u/18169566?v=4?s=100" width="100px;" alt="Andreas Deininger"/><br /><sub><b>Andreas Deininger</b></sub></a><br /><a href="https://github.com/EndBug/add-and-commit/commits?author=deining" title="Documentation">📖</a></td>
     </tr>
   </tbody>
 </table>