Fix icon image

Author: artemave

docs/_sidebar.md

@@ -4,6 +4,6 @@
 - [API Reference](api)
 - **Links**
 - [![Code](https://icongr.am/feather/code.svg?size=16&color=808080)Demo Sandbox](https://codesandbox.io/embed/github/featurist/hyperdom/tree/master/docs/codesandbox/get-started-routing)
-- [![Github](https://icongram.jgog.in/simple/github.svg?color=808080&size=16)Github](https://github.com/featurist/hyperdom)
+- [![Github](https://icongr.am/devicon/github-original.svg?color=808080&size=16)Github](https://github.com/featurist/hyperdom)
 - [![NPM](https://icongram.jgog.in/simple/npm.svg?colored&size=16)NPM](https://www.npmjs.com/package/hyperdom)
 - [![Twitter](https://icongram.jgog.in/simple/twitter.svg?colored&size=16)@Hyperdom1](https://twitter.com/Hyperdom1)