chore: 添加迁移文件定义（非最终）

migration/src/lib.rs

@@ -0,0 +1,12 @@
+pub use sea_orm_migration::prelude::*;
+
+mod m20240322_000001_create_table;
+
+pub struct Migrator;
+
+#[async_trait::async_trait]
+impl MigratorTrait for Migrator {
+    fn migrations() -> Vec<Box<dyn MigrationTrait>> {
+        vec![Box::new(m20240322_000001_create_table::Migration)]
+    }
+}