docs: add DetachHead as a contributor for bug (#261)

* docs: update README.md [skip ci]

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

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>
Co-authored-by: Richard Waller <richard.lh.waller@gmail.com>

Author: allcontributors[bot]

.all-contributorsrc

@@ -108,6 +108,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "DetachHead",
+      "name": "DetachHead",
+      "avatar_url": "https://avatars.githubusercontent.com/u/57028336?v=4",
+      "profile": "https://github.com/DetachHead",
+      "contributions": [
+        "bug"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -44,6 +44,7 @@ These test plugins let you automatically test whether your server's behaviour an
   <tr>
     <td align="center"><a href="https://xotabu4.github.io/"><img src="https://avatars3.githubusercontent.com/u/3033972?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Oleksandr Khotemskyi</b></sub></a><br /><a href="https://github.com/openapi-library/OpenAPIValidators/commits?author=Xotabu4" title="Documentation">📖</a></td>
     <td align="center"><a href="https://github.com/amitkeinan9"><img src="https://avatars.githubusercontent.com/u/16577335?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Amit Keinan</b></sub></a><br /><a href="https://github.com/openapi-library/OpenAPIValidators/commits?author=amitkeinan9" title="Code">💻</a></td>
+    <td align="center"><a href="https://github.com/DetachHead"><img src="https://avatars.githubusercontent.com/u/57028336?v=4?s=100" width="100px;" alt=""/><br /><sub><b>DetachHead</b></sub></a><br /><a href="https://github.com/openapi-library/OpenAPIValidators/issues?q=author%3ADetachHead" title="Bug reports">🐛</a></td>
     <td align="center"><a href="http://karlssonkristoffer.com/"><img src="https://avatars.githubusercontent.com/u/20490202?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Kristoffer Karlsson</b></sub></a><br /><a href="https://github.com/openapi-library/OpenAPIValidators/commits?author=kristofferkarlsson93" title="Documentation">📖</a></td>
   </tr>
 </table>