Added backers and sponsors on the README

Author: monkeywithacupcake

README.md

@@ -2,7 +2,7 @@ draft-js-markdown-shortcuts-plugin
 ==================================
 
 [![CircleCI](https://circleci.com/gh/ngs/draft-js-markdown-shortcuts-plugin.svg?style=svg)](https://circleci.com/gh/ngs/draft-js-markdown-shortcuts-plugin)
-[![npm](https://img.shields.io/npm/v/draft-js-markdown-shortcuts-plugin.svg)][npm]
+[![Backers on Open Collective](https://opencollective.com/draft-js-markdown-shortcuts-plugin/backers/badge.svg)](#backers) [![Sponsors on Open Collective](https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsors/badge.svg)](#sponsors) [![npm](https://img.shields.io/npm/v/draft-js-markdown-shortcuts-plugin.svg)][npm]
 [![Coverage Status](https://coveralls.io/repos/github/ngs/draft-js-markdown-shortcuts-plugin/badge.svg?branch=master)](https://coveralls.io/github/ngs/draft-js-markdown-shortcuts-plugin?branch=master)
 
 A [DraftJS] plugin for supporting Markdown syntax shortcuts
@@ -73,3 +73,33 @@ MIT. See [LICENSE]
 [DraftJS Plugins]: https://github.com/draft-js-plugins/draft-js-plugins
 [LICENSE]: ./LICENSE
 [npm]: https://www.npmjs.com/package/draft-js-markdown-shortcuts-plugin
+
+## Contributors
+
+This project exists thanks to all the people who contribute. [[Contribute](CONTRIBUTING.md)].
+<a href="graphs/contributors"><img src="https://opencollective.com/draft-js-markdown-shortcuts-plugin/contributors.svg?width=890&button=false" /></a>
+
+
+## Backers
+
+Thank you to all our backers! 🙏 [[Become a backer](https://opencollective.com/draft-js-markdown-shortcuts-plugin#backer)]
+
+<a href="https://opencollective.com/draft-js-markdown-shortcuts-plugin#backers" target="_blank"><img src="https://opencollective.com/draft-js-markdown-shortcuts-plugin/backers.svg?width=890"></a>
+
+
+## Sponsors
+
+Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [[Become a sponsor](https://opencollective.com/draft-js-markdown-shortcuts-plugin#sponsor)]
+
+<a href="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/0/website" target="_blank"><img src="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/0/avatar.svg"></a>
+<a href="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/1/website" target="_blank"><img src="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/1/avatar.svg"></a>
+<a href="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/2/website" target="_blank"><img src="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/2/avatar.svg"></a>
+<a href="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/3/website" target="_blank"><img src="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/3/avatar.svg"></a>
+<a href="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/4/website" target="_blank"><img src="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/4/avatar.svg"></a>
+<a href="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/5/website" target="_blank"><img src="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/5/avatar.svg"></a>
+<a href="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/6/website" target="_blank"><img src="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/6/avatar.svg"></a>
+<a href="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/7/website" target="_blank"><img src="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/7/avatar.svg"></a>
+<a href="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/8/website" target="_blank"><img src="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/8/avatar.svg"></a>
+<a href="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/9/website" target="_blank"><img src="https://opencollective.com/draft-js-markdown-shortcuts-plugin/sponsor/9/avatar.svg"></a>
+
+