docs: add seungdols as a contributor (#873)

* 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

@@ -907,6 +907,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "seungdols",
+      "name": "seungdols",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/16032614?v=4",
+      "profile": "http://seungdols.tistory.com/",
+      "contributions": [
+        "bug"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -649,6 +649,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/thany"><img src="https://avatars1.githubusercontent.com/u/152227?v=4" width="100px;" alt=""/><br /><sub><b>Martijn Saly</b></sub></a><br /><a href="https://github.com/formium/tsdx/issues?q=author%3Athany" title="Bug reports">🐛</a></td>
     <td align="center"><a href="http://kattcorp.com"><img src="https://avatars1.githubusercontent.com/u/459267?v=4" width="100px;" alt=""/><br /><sub><b>Alex Johansson</b></sub></a><br /><a href="https://github.com/formium/tsdx/commits?author=KATT" title="Documentation">📖</a></td>
     <td align="center"><a href="https://github.com/hb-seb"><img src="https://avatars1.githubusercontent.com/u/69623566?v=4" width="100px;" alt=""/><br /><sub><b>hb-seb</b></sub></a><br /><a href="https://github.com/formium/tsdx/commits?author=hb-seb" title="Code">💻</a></td>
+    <td align="center"><a href="http://seungdols.tistory.com/"><img src="https://avatars3.githubusercontent.com/u/16032614?v=4" width="100px;" alt=""/><br /><sub><b>seungdols</b></sub></a><br /><a href="https://github.com/formium/tsdx/issues?q=author%3Aseungdols" title="Bug reports">🐛</a></td>
   </tr>
 </table>