[ECP-9414] Generate event dispatcher/observer mechanism for reliability events

[khushboo-singhvi]

Description

Reliability project requires an event handling mechanism since it is an asynchronous flow. On the data collection points, an event needs to be dispatched and an observer should catch those events and saves them to the DB. Inserting data collection points is out of scope for this ticket.

Tested scenarios

• Event dispatcher firing an event which is caught by the observer.
• Observed event is inserted into the DB.

Fixes