feat(domain-events): add event for email subscription unsubscribed

packages/domain-events/src/Domain/Event/EmailSubscriptionUnsubscribedEvent.ts

@@ -0,0 +1,7 @@
+import { DomainEventInterface } from './DomainEventInterface'
+import { EmailSubscriptionUnsubscribedEventPayload } from './EmailSubscriptionUnsubscribedEventPayload'
+
+export interface EmailSubscriptionUnsubscribedEvent extends DomainEventInterface {
+  type: 'EMAIL_SUBSCRIPTION_UNSUBSCRIBED'
+  payload: EmailSubscriptionUnsubscribedEventPayload
+}

packages/domain-events/src/Domain/Event/EmailSubscriptionUnsubscribedEventPayload.ts

@@ -0,0 +1,4 @@
+export interface EmailSubscriptionUnsubscribedEventPayload {
+  userEmail: string
+  level: string
+}

packages/domain-events/src/Domain/index.ts

@@ -16,6 +16,8 @@ export * from './Event/EmailBackupRequestedEvent'
 export * from './Event/EmailBackupRequestedEventPayload'
 export * from './Event/EmailRequestedEvent'
 export * from './Event/EmailRequestedEventPayload'
+export * from './Event/EmailSubscriptionUnsubscribedEvent'
+export * from './Event/EmailSubscriptionUnsubscribedEventPayload'
 export * from './Event/ExitDiscountAppliedEvent'
 export * from './Event/ExitDiscountAppliedEventPayload'
 export * from './Event/ExitDiscountApplyRequestedEvent'