docs: add carlobeltrame as a contributor (#849)

* 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

@@ -1420,6 +1420,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "carlobeltrame",
+      "name": "Carlo Beltrame",
+      "avatar_url": "https://avatars.githubusercontent.com/u/7566995?v=4",
+      "profile": "https://github.com/carlobeltrame",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -333,6 +333,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
   <tr>
     <td align="center"><a href="https://github.com/drorheller"><img src="https://avatars.githubusercontent.com/u/12750737?v=4?s=100" width="100px;" alt=""/><br /><sub><b>dror-heller</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=drorheller" title="Documentation">📖</a></td>
     <td align="center"><a href="https://github.com/yialo"><img src="https://avatars.githubusercontent.com/u/38593881?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Aleksei Arro</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=yialo" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://github.com/carlobeltrame"><img src="https://avatars.githubusercontent.com/u/7566995?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Carlo Beltrame</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=carlobeltrame" title="Documentation">📖</a></td>
   </tr>
 </table>