feat: 新增示例数据

a72c6796 · taojinlong · 3a2bb24c · a72c6796 · 3a2bb24c · a72c6796
--- a/backend/src/main/resources/db/migration/V18__add_demo.sql
+++ b/backend/src/main/resources/db/migration/V18__add_demo.sql
--- a/backend/src/main/resources/db/migration/V18__area_mapping.sql
+++ b/backend/src/main/resources/db/migration/V18__area_mapping.sql
--- a/backend/src/main/resources/db/migration/V19__area_mapping.sql
+++ b/backend/src/main/resources/db/migration/V19__area_mapping.sql