docs: add backers

README.md

@@ -39,6 +39,12 @@ RSSHub 是一个开源、简单易用、易于扩展的 RSS 生成器，可以
 
 [![](https://opencollective.com/RSSHub/contributors.svg?width=890)](https://github.com/DIYgod/RSSHub/graphs/contributors)
 
+Logo designer [sheldonrrr](https://dribbble.com/sheldonrrr)
+
+### Backers
+
+<a href="https://www.cloudflare.com" target="_blank"><img height="50px" src="https://i.imgur.com/7Ph27Fq.png"></a>&nbsp;&nbsp;&nbsp;<a href="https://www.netlify.com" target="_blank"><img height="40px" src="https://i.imgur.com/cU01915.png"></a>
+
 ## 参与我们
 
 如果有任何想法或需求，可以在 [issue](https://github.com/DIYgod/RSSHub/issues) 中告诉我们，同时我们欢迎各种 pull requests

docs/README.md

@@ -39,4 +39,8 @@ RSSHub 是一个开源、简单易用、易于扩展的 RSS 生成器，可以
 
 [![](https://opencollective.com/RSSHub/contributors.svg?width=740)](https://github.com/DIYgod/RSSHub/graphs/contributors)
 
-Logo designed by [sheldonrrr](https://dribbble.com/sheldonrrr)
+Logo designer [sheldonrrr](https://dribbble.com/sheldonrrr)
+
+### Backers
+
+<a href="https://www.cloudflare.com" target="_blank"><img height="50px" src="https://cn-south-17-rsshub-16857749.oss.dogecdn.com/cloudflare.png"></a><a href="https://www.netlify.com" target="_blank" style="margin-left: 60px;"><img height="40px" src="https://cn-south-17-rsshub-16857749.oss.dogecdn.com/netlify.png"></a>

docs/en/README.md

@@ -39,4 +39,8 @@ RSSHub delivers millions of contents aggregated from all kinds of sources.
 
 [![](https://opencollective.com/RSSHub/contributors.svg?width=740)](https://github.com/DIYgod/RSSHub/graphs/contributors)
 
-Logo designed by [sheldonrrr](https://dribbble.com/sheldonrrr)
+Logo designer [sheldonrrr](https://dribbble.com/sheldonrrr)
+
+### Backers
+
+<a href="https://www.cloudflare.com" target="_blank"><img height="50px" src="https://i.imgur.com/7Ph27Fq.png"></a><a href="https://www.netlify.com" target="_blank" style="margin-left: 60px;"><img height="40px" src="https://i.imgur.com/cU01915.png"></a>