docs: add jesujcastillom as a contributor (#650)

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

Author: allcontributors[bot]

.all-contributorsrc

@@ -1037,6 +1037,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "jesujcastillom",
+      "name": "Jesu Castillo",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/7827281?v=4",
+      "profile": "https://github.com/jesujcastillom",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -181,6 +181,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
   <tr>
     <td align="center"><a href="https://hedgecox.dev/"><img src="https://avatars3.githubusercontent.com/u/41297418?v=4" width="100px;" alt=""/><br /><sub><b>hedgecox</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=hedgecox" title="Documentation">📖</a></td>
     <td align="center"><a href="https://github.com/shermanhui"><img src="https://avatars2.githubusercontent.com/u/11592023?v=4" width="100px;" alt=""/><br /><sub><b>Sherman Hui</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=shermanhui" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://github.com/jesujcastillom"><img src="https://avatars3.githubusercontent.com/u/7827281?v=4" width="100px;" alt=""/><br /><sub><b>Jesu Castillo</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=jesujcastillom" title="Documentation">📖</a></td>
   </tr>
 </table>