Introducing CubeFS Guru on Gurubase.io

Signed-off-by: Kursat Aktas <[email protected]>

README.md

@@ -14,6 +14,7 @@
 [![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2Fcubefs%2Fcubefs.svg?type=shield&issueType=security)](https://app.fossa.com/projects/git%2Bgithub.com%2Fcubefs%2Fcubefs?ref=badge_shield)
 [![Release](https://img.shields.io/github/v/release/cubefs/cubefs.svg?color=161823&style=flat-square&logo=smartthings)](https://github.com/cubefs/cubefs/releases)
 [![Tag](https://img.shields.io/github/v/tag/cubefs/cubefs.svg?color=ee8936&logo=fitbit&style=flat-square)](https://github.com/cubefs/cubefs/tags)
+[![Gurubase](https://img.shields.io/badge/Gurubase-Ask%20CubeFS%20Guru-006BFF)](https://gurubase.io/g/cubefs)
 
 |<img src="https://user-images.githubusercontent.com/5708406/91202310-31eaab80-e734-11ea-84fc-c1b1882ae71c.png" height="24"/>&nbsp;Community Meeting|
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