feat: add webcal_calendar_id column to t_webcal_device for calendar identification

电子日历_iCloud双向同步/iCloud双向同步.sql

-alter table t_webcal_device
+alter table t_webcal_device
@@ -19,3 +19,7 @@ CREATE INDEX idx_device_id_webcal_calendar_id ON t_icloud_calendar_sync_event_ca
 -- webcal日历ID索引
 CREATE INDEX idx_webcal_calendar_id ON t_icloud_calendar_sync_event_category(webcal_calendar_id);
 
+
+alter table t_webcal_device
+    add webcal_calendar_id VARCHAR(300) null comment 'webcal calendar id ';
+