chore: refactor the announcement module and service and add queue

src/modules/announcements/entities/announcement.entity.ts

@@ -16,7 +16,7 @@ export class Announcement extends BaseEntity {
   @Column({ type: "timestamp", nullable: true, default: null })
   publishAt: Date | null;
 
-  @ManyToOne(() => DanakService, (service) => service.announcements, { eager: true, onDelete: "CASCADE" })
+  @ManyToOne(() => DanakService, (service) => service.announcements, { onDelete: "CASCADE" })
   targetService: DanakService;
 
   @Column({ type: "boolean", default: false })
@@ -27,8 +27,4 @@ export class Announcement extends BaseEntity {
 
   @Column({ type: "boolean", default: false })
   isPublic: boolean;
-
-  isPublicAnnouncement(): boolean {
-    return this.isPublic;
-  }
 }