Added MOVED-TO-AVM.md for operational-insights/workspace module - #4200

Added MOVED-TO-AVM.md for operational-insights/workspace module#4200

Alexander Sehr (AlexanderSehr) merged 2 commits into

mainAzure/ResourceModules:mainfrom

users/krbar/logAnalyticsAVMAzure/ResourceModules:users/krbar/logAnalyticsAVMCopy head branch name to clipboard