!15 visualization SIG: update first meeting link

Merge pull request !15 from kouzhenzhong/visualization_update_meeting_link

sigs/visualization/meetings/001-20200515.md

@@ -5,7 +5,7 @@
 * Discuss profiler data parser code refactoring
 
 ## Conference links
-* http://hwworks-live.huawei.com/webcast/live/gamma/join-332f0af992f3478e8ebe9e7f7e6b5cac?lang=cn
+* https://meet.jit.si/MindSporeSIGMI
 
 ## Attendees 
 * Gao Congli(Huawei)