docs: add gregbenner as a contributor (#280)

* 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

@@ -139,6 +139,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "gregbenner",
+      "name": "Greg B",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/1177690?v=4",
+      "profile": "https://gregbenner.life",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -146,6 +146,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
   </tr>
   <tr>
     <td align="center"><a href="https://github.com/MistahMojo"><img src="https://avatars1.githubusercontent.com/u/51117537?v=4" width="100px;" alt=""/><br /><sub><b>Jak</b></sub></a><br /><a href="https://github.com/nodegui/react-nodegui/commits?author=MistahMojo" title="Code">💻</a></td>
+    <td align="center"><a href="https://gregbenner.life"><img src="https://avatars3.githubusercontent.com/u/1177690?v=4" width="100px;" alt=""/><br /><sub><b>Greg B</b></sub></a><br /><a href="https://github.com/nodegui/react-nodegui/commits?author=gregbenner" title="Documentation">📖</a></td>
   </tr>
 </table>