Added financial contributors to the README

README.md

@@ -7,7 +7,7 @@
 
 <div align="center">
 
-[![github](https://badgen.net/badge/⭐/GitHub/cyan)](https://github.com/doocs/md) [![gitee](https://badgen.net/badge/⭐/Gitee/cyan)](https://gitee.com/doocs/md) [![PRs Welcome](https://badgen.net/badge/PRs/welcome/green)](http://makeapullrequest.com) [![license](https://badgen.net/github/license/doocs/md)](./LICENSE) [![release](https://img.shields.io/github/v/release/doocs/md.svg)](https://github.com/doocs/md/releases)
+[![Financial Contributors on Open Collective](https://opencollective.com/doocs-md/all/badge.svg?label=financial+contributors)](https://opencollective.com/doocs-md) [![github](https://badgen.net/badge/⭐/GitHub/cyan)](https://github.com/doocs/md) [![gitee](https://badgen.net/badge/⭐/Gitee/cyan)](https://gitee.com/doocs/md) [![PRs Welcome](https://badgen.net/badge/PRs/welcome/green)](http://makeapullrequest.com) [![license](https://badgen.net/github/license/doocs/md)](./LICENSE) [![release](https://img.shields.io/github/v/release/doocs/md.svg)](https://github.com/doocs/md/releases)
 
 </div>
 
@@ -66,4 +66,33 @@ Markdown 文档自动即时渲染为微信图文，让你不再为微信文章
 <!-- ALL-CONTRIBUTORS-LIST:END -->
 
 ## 项目许可证
-[本项目没有任何限制，Just Do What The F*ck You Want。](LICENSE)
+[本项目没有任何限制，Just Do What The F*ck You Want。](LICENSE)
+## Contributors
+
+### Code Contributors
+
+This project exists thanks to all the people who contribute. [[Contribute](CONTRIBUTING.md)].
+<a href="https://github.com/doocs/md/graphs/contributors"><img src="https://opencollective.com/doocs-md/contributors.svg?width=890&button=false" /></a>
+
+### Financial Contributors
+
+Become a financial contributor and help us sustain our community. [[Contribute](https://opencollective.com/doocs-md/contribute)]
+
+#### Individuals
+
+<a href="https://opencollective.com/doocs-md"><img src="https://opencollective.com/doocs-md/individuals.svg?width=890"></a>
+
+#### Organizations
+
+Support this project with your organization. Your logo will show up here with a link to your website. [[Contribute](https://opencollective.com/doocs-md/contribute)]
+
+<a href="https://opencollective.com/doocs-md/organization/0/website"><img src="https://opencollective.com/doocs-md/organization/0/avatar.svg"></a>
+<a href="https://opencollective.com/doocs-md/organization/1/website"><img src="https://opencollective.com/doocs-md/organization/1/avatar.svg"></a>
+<a href="https://opencollective.com/doocs-md/organization/2/website"><img src="https://opencollective.com/doocs-md/organization/2/avatar.svg"></a>
+<a href="https://opencollective.com/doocs-md/organization/3/website"><img src="https://opencollective.com/doocs-md/organization/3/avatar.svg"></a>
+<a href="https://opencollective.com/doocs-md/organization/4/website"><img src="https://opencollective.com/doocs-md/organization/4/avatar.svg"></a>
+<a href="https://opencollective.com/doocs-md/organization/5/website"><img src="https://opencollective.com/doocs-md/organization/5/avatar.svg"></a>
+<a href="https://opencollective.com/doocs-md/organization/6/website"><img src="https://opencollective.com/doocs-md/organization/6/avatar.svg"></a>
+<a href="https://opencollective.com/doocs-md/organization/7/website"><img src="https://opencollective.com/doocs-md/organization/7/avatar.svg"></a>
+<a href="https://opencollective.com/doocs-md/organization/8/website"><img src="https://opencollective.com/doocs-md/organization/8/avatar.svg"></a>
+<a href="https://opencollective.com/doocs-md/organization/9/website"><img src="https://opencollective.com/doocs-md/organization/9/avatar.svg"></a>