Add @maheshjag as a contributor

Author: Gpx

.all-contributorsrc

@@ -158,6 +158,15 @@
       "contributions": [
         "review"
       ]
+    },
+    {
+      "login": "maheshjag",
+      "name": "MJ",
+      "avatar_url": "https://avatars0.githubusercontent.com/u/1705603?v=4",
+      "profile": "https://github.com/maheshjag",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "commitConvention": "none"

README.md

@@ -253,6 +253,7 @@ Thanks goes to these wonderful people
   </tr>
   <tr>
     <td align="center"><a href="http://fullgallop.me"><img src="https://avatars0.githubusercontent.com/u/32252769?v=4" width="100px;" alt=""/><br /><sub><b>Yuancheng Wu</b></sub></a><br /><a href="https://github.com/testing-library/user-event/pulls?q=is%3Apr+reviewed-by%3AYuanchengWu" title="Reviewed Pull Requests">👀</a></td>
+    <td align="center"><a href="https://github.com/maheshjag"><img src="https://avatars0.githubusercontent.com/u/1705603?v=4" width="100px;" alt=""/><br /><sub><b>MJ</b></sub></a><br /><a href="https://github.com/testing-library/user-event/commits?author=maheshjag" title="Documentation">📖</a></td>
   </tr>
 </table>