feat(push): add JPush integration for offline message push

Add JPush (极光推送) integration to enable push notifications for offline users. This includes:
- New jpush client package with API for batch push notifications
- Configuration for jpush (enabled, app_key, master_secret, production mode)
- Updated push service to send messages via JPush when users are offline
- Added PushChatMessage method with do-not-disturb checking
- Integrated push service with chat service to notify offline users of new messages
- Updated deployment workflow with JPush and related environment variables

internal/service/setup_service.go

@@ -60,4 +60,4 @@ func (s *setupService) SetupSuperAdmin(ctx context.Context, userID, setupSecret
 	}
 
 	return s.casbinSvc.AddRoleForUser(ctx, user.ID, model.RoleSuperAdmin)
-}
+}