fix: optimize event buffer (#278)

* fix: how we fetch profiles in the buffer

* perf: optimize event buffer

* remove unused file

* fix

* wip

* wip: try groupmq 2

* try simplified event buffer with duration calculation on the fly instead

packages/redis/publisher.ts

@@ -10,8 +10,7 @@ export type IPublishChannels = {
     };
   };
   events: {
-    received: IServiceEvent;
-    saved: IServiceEvent;
+    batch: { projectId: string; count: number };
   };
   notification: {
     created: Prisma.NotificationUncheckedCreateInput;