docs: add WeiJun0507 as a contributor for business, code, and ideas (#677)

Adds @WeiJun0507 as a contributor for business, code, ideas.

This was requested by AlexV525 [in this
comment](#660 (comment))

[skip ci]

---------

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -277,6 +277,17 @@
       "contributions": [
         "translation"
       ]
+    },
+    {
+      "login": "WeiJun0507",
+      "name": "Wei Jun",
+      "avatar_url": "https://avatars.githubusercontent.com/u/66726409?v=4",
+      "profile": "https://github.com/WeiJun0507",
+      "contributions": [
+        "business",
+        "code",
+        "ideas"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -587,6 +587,9 @@ Many thanks to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/Dimilkalathiya"><img src="https://avatars.githubusercontent.com/u/102401667?v=4?s=50" width="50px;" alt="Dimil Kalathiya"/><br /><sub><b>Dimil Kalathiya</b></sub></a><br /><a href="https://github.com/fluttercandies/flutter_wechat_assets_picker/commits?author=Dimilkalathiya" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="http://about.me/gasol"><img src="https://avatars.githubusercontent.com/u/108053?v=4?s=50" width="50px;" alt="Gasol Wu"/><br /><sub><b>Gasol Wu</b></sub></a><br /><a href="#translation-Gasol" title="Translation">🌍</a></td>
     </tr>
+    <tr>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/WeiJun0507"><img src="https://avatars.githubusercontent.com/u/66726409?v=4?s=50" width="50px;" alt="Wei Jun"/><br /><sub><b>Wei Jun</b></sub></a><br /><a href="#business-WeiJun0507" title="Business development">💼</a> <a href="https://github.com/fluttercandies/flutter_wechat_assets_picker/commits?author=WeiJun0507" title="Code">💻</a> <a href="#ideas-WeiJun0507" title="Ideas, Planning, & Feedback">🤔</a></td>
+    </tr>
   </tbody>
 </table>