docs: add artivilla as a contributor for doc (#984)

* 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

@@ -1708,6 +1708,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "artivilla",
+      "name": "Arti Villa",
+      "avatar_url": "https://avatars.githubusercontent.com/u/2120159?v=4",
+      "profile": "https://twitter.com/artivilla",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -379,6 +379,7 @@ Thanks goes to these wonderful people
     <td align="center"><a href="https://medium.com/@zaicevas"><img src="https://avatars.githubusercontent.com/u/34719980?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Tomas Zaicevas</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=zaicevas" title="Documentation">📖</a></td>
     <td align="center"><a href="https://github.com/tsriram"><img src="https://avatars.githubusercontent.com/u/450559?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Sriram Thiagarajan</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=tsriram" title="Documentation">📖</a></td>
     <td align="center"><a href="http://estebanborai.com"><img src="https://avatars.githubusercontent.com/u/34756077?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Esteban Borai</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=EstebanBorai" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://twitter.com/artivilla"><img src="https://avatars.githubusercontent.com/u/2120159?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Arti Villa</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=artivilla" title="Documentation">📖</a></td>
   </tr>
 </table>