docs: update README.md [skip ci]

Author: allcontributors[bot]

README.md

@@ -1,4 +1,7 @@
 # Flutter WeChat Assets Picker
+<!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
+[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors-)
+<!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 [![pub package](https://img.shields.io/pub/v/wechat_assets_picker?logo=dart&label=stable&style=flat-square)](https://pub.dev/packages/wechat_assets_picker)
 [![pub package](https://img.shields.io/pub/v/wechat_assets_picker?color=42a012&include_prereleases&label=dev&logo=dart&style=flat-square)](https://pub.dev/packages/wechat_assets_picker)
@@ -16,6 +19,18 @@ An **assets picker** which looks like the one in WeChat, based on `photo_manager
 ## Contributors ✨
 
 Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):
+<!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
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+    <td align="center"><a href="https://blog.alexv525.com"><img src="https://avatars1.githubusercontent.com/u/15884415?v=4" width="100px;" alt=""/><br /><sub><b>Alex Li</b></sub></a><br /><a href="https://github.com/fluttercandies/flutter_wechat_assets_picker/commits?author=AlexV525" title="Code">💻</a> <a href="#design-AlexV525" title="Design">🎨</a> <a href="https://github.com/fluttercandies/flutter_wechat_assets_picker/commits?author=AlexV525" title="Documentation">📖</a> <a href="#example-AlexV525" title="Examples">💡</a> <a href="#ideas-AlexV525" title="Ideas, Planning, & Feedback">🤔</a> <a href="#maintenance-AlexV525" title="Maintenance">🚧</a> <a href="#question-AlexV525" title="Answering Questions">💬</a> <a href="https://github.com/fluttercandies/flutter_wechat_assets_picker/pulls?q=is%3Apr+reviewed-by%3AAlexV525" title="Reviewed Pull Requests">👀</a></td>
+  </tr>
+</table>
+
+<!-- markdownlint-enable -->
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+<!-- ALL-CONTRIBUTORS-LIST:END -->
 
 <!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
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