Added backers and sponsors on the README

README.md

@@ -5,7 +5,7 @@
 </p>
 
 <p align="center">
-<a href="https://travis-ci.org/onevcat/Kingfisher"><img src="https://img.shields.io/travis/onevcat/Kingfisher/master.svg"></a>
+<a href="https://travis-ci.org/onevcat/Kingfisher"><a href="#backers" alt="sponsors on Open Collective"><img src="https://opencollective.com/Kingfisher/backers/badge.svg" /></a> <a href="#sponsors" alt="Sponsors on Open Collective"><img src="https://opencollective.com/Kingfisher/sponsors/badge.svg" /></a> <img src="https://img.shields.io/travis/onevcat/Kingfisher/master.svg"></a>
 <a href="https://github.com/Carthage/Carthage/"><img src="https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat"></a>
 <a href="https://swift.org/package-manager/"><img src="https://img.shields.io/badge/SPM-ready-orange.svg"></a>
 <a href="http://onevcat.github.io/Kingfisher/"><img src="https://img.shields.io/cocoapods/v/Kingfisher.svg?style=flat"></a>
@@ -75,6 +75,36 @@ The logo of Kingfisher is inspired by [Tangram (七巧板)](http://en.wikipedia.
 
 Follow and contact me on [Twitter](http://twitter.com/onevcat) or [Sina Weibo](http://weibo.com/onevcat). If you find an issue, just [open a ticket](https://github.com/onevcat/Kingfisher/issues/new). Pull requests are warmly welcome as well.
 
+## Contributors
+
+This project exists thanks to all the people who contribute. [[Contribute]](blob/master/CONTRIBUTING.md).
+<a href="graphs/contributors"><img src="https://opencollective.com/Kingfisher/contributors.svg?width=890" /></a>
+
+
+## Backers
+
+Thank you to all our backers! 🙏 [[Become a backer](https://opencollective.com/Kingfisher#backer)]
+
+<a href="https://opencollective.com/Kingfisher#backers" target="_blank"><img src="https://opencollective.com/Kingfisher/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/Kingfisher#sponsor)]
+
+<a href="https://opencollective.com/Kingfisher/sponsor/0/website" target="_blank"><img src="https://opencollective.com/Kingfisher/sponsor/0/avatar.svg"></a>
+<a href="https://opencollective.com/Kingfisher/sponsor/1/website" target="_blank"><img src="https://opencollective.com/Kingfisher/sponsor/1/avatar.svg"></a>
+<a href="https://opencollective.com/Kingfisher/sponsor/2/website" target="_blank"><img src="https://opencollective.com/Kingfisher/sponsor/2/avatar.svg"></a>
+<a href="https://opencollective.com/Kingfisher/sponsor/3/website" target="_blank"><img src="https://opencollective.com/Kingfisher/sponsor/3/avatar.svg"></a>
+<a href="https://opencollective.com/Kingfisher/sponsor/4/website" target="_blank"><img src="https://opencollective.com/Kingfisher/sponsor/4/avatar.svg"></a>
+<a href="https://opencollective.com/Kingfisher/sponsor/5/website" target="_blank"><img src="https://opencollective.com/Kingfisher/sponsor/5/avatar.svg"></a>
+<a href="https://opencollective.com/Kingfisher/sponsor/6/website" target="_blank"><img src="https://opencollective.com/Kingfisher/sponsor/6/avatar.svg"></a>
+<a href="https://opencollective.com/Kingfisher/sponsor/7/website" target="_blank"><img src="https://opencollective.com/Kingfisher/sponsor/7/avatar.svg"></a>
+<a href="https://opencollective.com/Kingfisher/sponsor/8/website" target="_blank"><img src="https://opencollective.com/Kingfisher/sponsor/8/avatar.svg"></a>
+<a href="https://opencollective.com/Kingfisher/sponsor/9/website" target="_blank"><img src="https://opencollective.com/Kingfisher/sponsor/9/avatar.svg"></a>
+
+
+
 ### License
 
 Kingfisher is released under the MIT license. See LICENSE for details.