docs: add doudou0720 as a contributor for code (#328)

* docs: update README.md

* docs: update .all-contributorsrc

---------

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

.all-contributorsrc

@@ -98,6 +98,15 @@
       "contributions": [
         "design"
       ]
+    },
+    {
+      "login": "doudou0720",
+      "name": "doudou0720",
+      "avatar_url": "https://avatars.githubusercontent.com/u/98651603?v=4",
+      "profile": "https://github.com/doudou0720",
+      "contributions": [
+        "code"
+      ]
     }
   ]
 }

README.md

@@ -86,6 +86,7 @@
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="http://blog.jursin.top"><img src="https://avatars.githubusercontent.com/u/127487914?v=4?s=100" width="100px;" alt="Jursin"/><br /><sub><b>Jursin</b></sub></a><br /><a href="#design-Jursin" title="Design">🎨</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/Tayasui-rainnya"><img src="https://avatars.githubusercontent.com/u/156585442?v=4?s=100" width="100px;" alt="tayasui rainnya!"/><br /><sub><b>tayasui rainnya!</b></sub></a><br /><a href="#design-Tayasui-rainnya" title="Design">🎨</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/doudou0720"><img src="https://avatars.githubusercontent.com/u/98651603?v=4?s=100" width="100px;" alt="doudou0720"/><br /><sub><b>doudou0720</b></sub></a><br /><a href="#code-doudou0720" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>