AnnoList: add alpha annotations list plugin (#17187)

adding an alpha panel

packages/grafana-data/src/types/data.ts

@@ -97,6 +97,9 @@ export interface AnnotationEvent {
   dashboardId?: number;
   panelId?: number;
   userId?: number;
+  login?: string;
+  email?: string;
+  avatarUrl?: string;
   time?: number;
   timeEnd?: number;
   isRegion?: boolean;