docs: update community meeting badge link (#129)

Signed-off-by: Niladri Halder <[email protected]>

Author: niladrih

README.md

@@ -1,7 +1,7 @@
 # OpenEBS Monitoring add-on
 
 [![Slack](https://img.shields.io/badge/chat-slack-ff1493.svg?style=flat-square)](https://kubernetes.slack.com/messages/openebs)
-[![Community Meetings](https://img.shields.io/badge/Community-Meetings-blue)](https://us05web.zoom.us/j/87535654586?pwd=CigbXigJPn38USc6Vuzt7qSVFoO79X.1)
+[![Community Meetings](https://img.shields.io/badge/Community-Meetings-blue)](https://github.com/openebs/community/blob/HEAD/README.md#community)
 [![FOSSA Status](https://app.fossa.com/api/projects/custom%2B162%2Fgithub.com%2Fopenebs%2Fmonitoring.svg?type=shield&issueType=license)](https://app.fossa.com/projects/custom%2B162%2Fgithub.com%2Fopenebs%2Fmonitoring?ref=badge_shield&issueType=license)