docs: add kvnhmn as a contributor for code (#3304)

.all-contributorsrc

@@ -466,6 +466,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "kvnhmn",
+      "name": "Kevin H",
+      "avatar_url": "https://avatars.githubusercontent.com/u/49870044?v=4",
+      "profile": "https://github.com/kvnhmn",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -400,6 +400,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://www.linkedin.com/in/mbezhanov"><img src="https://avatars.githubusercontent.com/u/785542?v=4?s=100" width="100px;" alt="Marin Bezhanov"/><br /><sub><b>Marin Bezhanov</b></sub></a><br /><a href="https://github.com/flipt-io/flipt/commits?author=mbezhanov" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/wtertius"><img src="https://avatars.githubusercontent.com/u/5527797?v=4?s=100" width="100px;" alt="wtertius"/><br /><sub><b>wtertius</b></sub></a><br /><a href="https://github.com/flipt-io/flipt/commits?author=wtertius" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/kvnhmn"><img src="https://avatars.githubusercontent.com/u/49870044?v=4?s=100" width="100px;" alt="Kevin H"/><br /><sub><b>Kevin H</b></sub></a><br /><a href="https://github.com/flipt-io/flipt/commits?author=kvnhmn" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>