update meeting notes link

sig-ai/README.md

@@ -9,9 +9,9 @@ The [charter](charter.md) defines the scope and governance of the AI Special Int
 
 
 * Regular SIG Meeting: [Thursday at 10:00 UTC+8](https://zoom.us/my/kubeedge) (weekly, starts on Nov. 12th 2020). [Convert to your timezone](https://www.thetimezoneconverter.com/?t=10%3A00%20am&tz=GMT%2B8&).
- * [Meeting notes and Agenda](https://docs.google.com/document/d/e/2PACX-1vSKVQSQ4tmBsApIHVdH3sLJluzqSitRpRSr88VEgBMeTMCYczgPnuKhTfdF9srE0Obk9cTygHTste-N/pub).
+ * [Meeting notes and Agenda](https://docs.google.com/document/d/12n3kGUWTkAH4q2Wv5iCVGPTA_KRWav_eakbFrF9iAww/edit#).
  * [Meeting Calendar](https://calendar.google.com/calendar/u/0?cid=Y19nODluOXAwOG05MzFiYWM3NmZsajgwZzEwOEBncm91cC5jYWxlbmRhci5nb29nbGUuY29t) | [Subscribe](https://calendar.google.com/calendar?cid=OHJqazhvNTE2dmZ0ZTIxcWlidmxhZTNsajRAZ3JvdXAuY2FsZW5kYXIuZ29vZ2xlLmNvbQ)
  
 ## Contact
-- Slack: [#sig-ai](to be filled)
+- Slack: [#sig-ai](https://app.slack.com/client/TDZ5TGXQW/C01EG84REVB/details)
 - [Mailing list](https://groups.google.com/forum/#!forum/kubeedge)
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