Refactor Monitor and Trigger to split into Query-Level and Bucket-Lev…#150

Merged

qreshi merged 2 commits intoopensearch-project:mainfrom qreshi:refactor-monitor-and-trigger

Aug 25, 2021

+1,579-460

Commits on Aug 24, 2021

Refactor Monitor and Trigger to split into Query-Level and Bucket-Level Monitors
qreshi
committed

Commits on Aug 25, 2021

Require condition to not be null when parsing Bucket-Level Trigger
qreshi
committed