docs: add alexanderkoumis as a contributor for code (#468)

* 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

@@ -318,6 +318,15 @@
         "ideas",
         "code"
       ]
+    },
+    {
+      "login": "alexanderkoumis",
+      "name": "Alexander Koumis",
+      "avatar_url": "https://avatars.githubusercontent.com/u/5108856?v=4",
+      "profile": "https://github.com/alexanderkoumis",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -274,6 +274,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="14.28%"><a href="http://tybantarnusa.com"><img src="https://avatars.githubusercontent.com/u/9532857?v=4?s=80" width="80px;" alt="Mgs. M. Thoyib Antarnusa"/><br /><sub><b>Mgs. M. Thoyib Antarnusa</b></sub></a><br /><a href="https://github.com/voicepaw/so-vits-svc-fork/issues?q=author%3Atybantarnusa" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/ZeroHackz"><img src="https://avatars.githubusercontent.com/u/15729496?v=4?s=80" width="80px;" alt="Exosfeer"/><br /><sub><b>Exosfeer</b></sub></a><br /><a href="https://github.com/voicepaw/so-vits-svc-fork/issues?q=author%3AZeroHackz" title="Bug reports">🐛</a> <a href="https://github.com/voicepaw/so-vits-svc-fork/commits?author=ZeroHackz" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/guranon"><img src="https://avatars.githubusercontent.com/u/130421189?v=4?s=80" width="80px;" alt="guranon"/><br /><sub><b>guranon</b></sub></a><br /><a href="https://github.com/voicepaw/so-vits-svc-fork/issues?q=author%3Aguranon" title="Bug reports">🐛</a> <a href="#ideas-guranon" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/voicepaw/so-vits-svc-fork/commits?author=guranon" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/alexanderkoumis"><img src="https://avatars.githubusercontent.com/u/5108856?v=4?s=80" width="80px;" alt="Alexander Koumis"/><br /><sub><b>Alexander Koumis</b></sub></a><br /><a href="https://github.com/voicepaw/so-vits-svc-fork/commits?author=alexanderkoumis" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>