docs: add Nicoss54 as a contributor for doc (#1250)

* 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]

Diff for: .all-contributorsrc

@@ -2357,6 +2357,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "Nicoss54",
+      "name": "Nicolas Frizzarin",
+      "avatar_url": "https://avatars.githubusercontent.com/u/24563545?v=4",
+      "profile": "https://github.com/Nicoss54",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

Diff for: README.md

@@ -470,6 +470,7 @@ Thanks goes to these wonderful people
     </tr>
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/ledenis"><img src="https://avatars.githubusercontent.com/u/2855723?v=4?s=100" width="100px;" alt="Denis LE"/><br /><sub><b>Denis LE</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=ledenis" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/Nicoss54"><img src="https://avatars.githubusercontent.com/u/24563545?v=4?s=100" width="100px;" alt="Nicolas Frizzarin"/><br /><sub><b>Nicolas Frizzarin</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=Nicoss54" title="Documentation">📖</a></td>
     </tr>
   </tbody>
 </table>