Merge pull request #15916 from ethereum/all-contributors/add-0xumarkhatab

docs: add 0xumarkhatab as a contributor for maintenance

Author: wackerow

.all-contributorsrc

@@ -13028,6 +13028,15 @@
       "contributions": [
         "maintenance"
       ]
+    },
+    {
+      "login": "0xumarkhatab",
+      "name": "0xumarkhatab",
+      "avatar_url": "https://avatars.githubusercontent.com/u/71306738?v=4",
+      "profile": "https://github.com/0xumarkhatab",
+      "contributions": [
+        "maintenance"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -2026,6 +2026,7 @@ 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/jorgesumle"><img src="https://avatars.githubusercontent.com/u/14212780?v=4?s=100" width="100px;" alt="Jorge"/><br /><sub><b>Jorge</b></sub></a><br /><a href="https://github.com/ethereum/ethereum-org-website/issues?q=author%3Ajorgesumle" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/CryptoDelirium"><img src="https://avatars.githubusercontent.com/u/6353394?v=4?s=100" width="100px;" alt="Crypto Delirium"/><br /><sub><b>Crypto Delirium</b></sub></a><br /><a href="#content-CryptoDelirium" title="Content">🖋</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/alinobrasil"><img src="https://avatars.githubusercontent.com/u/1214559?v=4?s=100" width="100px;" alt="AK"/><br /><sub><b>AK</b></sub></a><br /><a href="#maintenance-alinobrasil" title="Maintenance">🚧</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/0xumarkhatab"><img src="https://avatars.githubusercontent.com/u/71306738?v=4?s=100" width="100px;" alt="0xumarkhatab"/><br /><sub><b>0xumarkhatab</b></sub></a><br /><a href="#maintenance-0xumarkhatab" title="Maintenance">🚧</a></td>
     </tr>
   </tbody>
 </table>