docs: add afontcu as a contributor (#334)

* docs: update README.md

* docs: update .all-contributorsrc


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

Author: allcontributors[bot]

.all-contributorsrc

@@ -651,7 +651,8 @@
       "profile": "https://afontcu.dev",
       "contributions": [
         "code",
-        "test"
+        "test",
+        "doc"
       ]
     },
     {

README.md

@@ -214,7 +214,7 @@ Thanks goes to these people ([emoji key][emojis]):
   <tr>
     <td align="center"><a href="https://twitter.com/sebsilbermann"><img src="https://avatars3.githubusercontent.com/u/12292047?v=4" width="100px;" alt="Sebastian Silbermann"/><br /><sub><b>Sebastian Silbermann</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=eps1lon" title="Code">💻</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=eps1lon" title="Tests">⚠️</a></td>
     <td align="center"><a href="https://dylanvann.com/"><img src="https://avatars0.githubusercontent.com/u/1537615?v=4" width="100px;" alt="Dylan Vann"/><br /><sub><b>Dylan Vann</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=DylanVann" title="Code">💻</a></td>
-    <td align="center"><a href="https://afontcu.dev"><img src="https://avatars0.githubusercontent.com/u/9197791?v=4" width="100px;" alt="Adrià Fontcuberta"/><br /><sub><b>Adrià Fontcuberta</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=afontcu" title="Code">💻</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=afontcu" title="Tests">⚠️</a></td>
+    <td align="center"><a href="https://afontcu.dev"><img src="https://avatars0.githubusercontent.com/u/9197791?v=4" width="100px;" alt="Adrià Fontcuberta"/><br /><sub><b>Adrià Fontcuberta</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=afontcu" title="Code">💻</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=afontcu" title="Tests">⚠️</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=afontcu" title="Documentation">📖</a></td>
     <td align="center"><a href="http://thomlom.dev"><img src="https://avatars3.githubusercontent.com/u/16003285?v=4" width="100px;" alt="Thomas Lombart"/><br /><sub><b>Thomas Lombart</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=thomlom" title="Code">💻</a></td>
     <td align="center"><a href="https://twitter.com/SavePointSam"><img src="https://avatars0.githubusercontent.com/u/8203211?v=4" width="100px;" alt="Sam Horton"/><br /><sub><b>Sam Horton</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=SavePointSam" title="Code">💻</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=SavePointSam" title="Tests">⚠️</a></td>
   </tr>