docs: add brentguf as a contributor for doc (#1185)

* 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

@@ -2204,6 +2204,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "brentguf",
+      "name": "Brent Guffens",
+      "avatar_url": "https://avatars.githubusercontent.com/u/16427929?v=4",
+      "profile": "https://github.com/brentguf",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -447,6 +447,7 @@ Thanks goes to these wonderful people
       <td align="center"><a href="https://roberto-molina.netlify.app/"><img src="https://avatars.githubusercontent.com/u/54558382?v=4?s=100" width="100px;" alt="Roberto Molina"/><br /><sub><b>Roberto Molina</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=robertoms99" title="Documentation">📖</a></td>
       <td align="center"><a href="https://www.louisyoung.co.uk"><img src="https://avatars.githubusercontent.com/u/35606709?v=4?s=100" width="100px;" alt="Louis Young"/><br /><sub><b>Louis Young</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=louis-young" title="Documentation">📖</a></td>
       <td align="center"><a href="https://www.linkedin.com/in/lukaselmer/"><img src="https://avatars.githubusercontent.com/u/326935?v=4?s=100" width="100px;" alt="Lukas Elmer"/><br /><sub><b>Lukas Elmer</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=lukaselmer" title="Documentation">📖</a></td>
+      <td align="center"><a href="https://github.com/brentguf"><img src="https://avatars.githubusercontent.com/u/16427929?v=4?s=100" width="100px;" alt="Brent Guffens"/><br /><sub><b>Brent Guffens</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=brentguf" title="Documentation">📖</a></td>
     </tr>
   </tbody>
 </table>