docs: add maxkel as a contributor for code (#1087)

* 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

@@ -534,7 +534,8 @@
       "avatar_url": "https://avatars.githubusercontent.com/u/46418077?v=4",
       "profile": "https://github.com/maxkel",
       "contributions": [
-        "bug"
+        "bug",
+        "code"
       ]
     }
   ],

README.md

@@ -148,7 +148,7 @@ Be part of the next revolution in code editing by contributing to the project. T
       <td align="center" valign="top" width="14.28%"><a href="https://twitter.com/RenanGreca"><img src="https://avatars.githubusercontent.com/u/5760386?v=4?s=100" width="100px;" alt="Renan Greca"/><br /><sub><b>Renan Greca</b></sub></a><br /><a href="https://github.com/CodeEditApp/CodeEdit/commits?author=RenanGreca" title="Code">💻</a></td>
     </tr>
     <tr>
-      <td align="center" valign="top" width="14.28%"><a href="https://github.com/maxkel"><img src="https://avatars.githubusercontent.com/u/46418077?v=4?s=100" width="100px;" alt="maxkel"/><br /><sub><b>maxkel</b></sub></a><br /><a href="https://github.com/CodeEditApp/CodeEdit/issues?q=author%3Amaxkel" title="Bug reports">🐛</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/maxkel"><img src="https://avatars.githubusercontent.com/u/46418077?v=4?s=100" width="100px;" alt="maxkel"/><br /><sub><b>maxkel</b></sub></a><br /><a href="https://github.com/CodeEditApp/CodeEdit/issues?q=author%3Amaxkel" title="Bug reports">🐛</a> <a href="https://github.com/CodeEditApp/CodeEdit/commits?author=maxkel" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>