docs: add artaommahe as a contributor for code (#553)

Author: allcontributors[bot]

.all-contributorsrc

@@ -466,6 +466,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "artaommahe",
+      "name": "Maksim Popov",
+      "avatar_url": "https://avatars.githubusercontent.com/u/1944061?v=4",
+      "profile": "https://github.com/artaommahe",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -279,6 +279,7 @@ Thanks goes to these people ([emoji key][emojis]):
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/Christian24"><img src="https://avatars.githubusercontent.com/u/2406635?v=4?s=100" width="100px;" alt="Christian24"/><br /><sub><b>Christian24</b></sub></a><br /><a href="https://github.com/testing-library/angular-testing-library/commits?author=Christian24" title="Code">💻</a> <a href="https://github.com/testing-library/angular-testing-library/pulls?q=is%3Apr+reviewed-by%3AChristian24" title="Reviewed Pull Requests">👀</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/mikeshtro"><img src="https://avatars.githubusercontent.com/u/93714867?v=4?s=100" width="100px;" alt="Michal Štrajt"/><br /><sub><b>Michal Štrajt</b></sub></a><br /><a href="https://github.com/testing-library/angular-testing-library/commits?author=mikeshtro" title="Code">💻</a> <a href="https://github.com/testing-library/angular-testing-library/issues?q=author%3Amikeshtro" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/jdegand"><img src="https://avatars.githubusercontent.com/u/70610011?v=4?s=100" width="100px;" alt="J. Degand"/><br /><sub><b>J. Degand</b></sub></a><br /><a href="https://github.com/testing-library/angular-testing-library/commits?author=jdegand" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/artaommahe"><img src="https://avatars.githubusercontent.com/u/1944061?v=4?s=100" width="100px;" alt="Maksim Popov"/><br /><sub><b>Maksim Popov</b></sub></a><br /><a href="https://github.com/testing-library/angular-testing-library/commits?author=artaommahe" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>