docs: add szhorvat as a contributor for code, and review (#226)

* 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

@@ -195,6 +195,16 @@
         "code",
         "review"
       ]
+    },
+    {
+      "login": "szhorvat",
+      "name": "Szabolcs Horvát",
+      "avatar_url": "https://avatars.githubusercontent.com/u/1212871?v=4",
+      "profile": "http://szhorvat.net/",
+      "contributions": [
+        "code",
+        "review"
+      ]
     }
   ],
   "commitConvention": "angular",

README.md

@@ -43,6 +43,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     </tr>
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="http://thomasjpfan.com"><img src="https://avatars.githubusercontent.com/u/5402633?v=4?s=100" width="100px;" alt="Thomas J. Fan"/><br /><sub><b>Thomas J. Fan</b></sub></a><br /><a href="https://github.com/pyOpenSci/pyopensci.github.io/commits?author=thomasjpfan" title="Code">💻</a> <a href="https://github.com/pyOpenSci/pyopensci.github.io/pulls?q=is%3Apr+reviewed-by%3Athomasjpfan" title="Reviewed Pull Requests">👀</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="http://szhorvat.net/"><img src="https://avatars.githubusercontent.com/u/1212871?v=4?s=100" width="100px;" alt="Szabolcs Horvát"/><br /><sub><b>Szabolcs Horvát</b></sub></a><br /><a href="https://github.com/pyOpenSci/pyopensci.github.io/commits?author=szhorvat" title="Code">💻</a> <a href="https://github.com/pyOpenSci/pyopensci.github.io/pulls?q=is%3Apr+reviewed-by%3Aszhorvat" title="Reviewed Pull Requests">👀</a></td>
     </tr>
   </tbody>
 </table>