feat: add PostgreSQL web installation wizard

oa-backend/src/main/java/com/kaidi/oa/seed/BranchFinDemoSeeder.java

@@ -8,7 +8,6 @@ import com.kaidi.oa.repository.OrgBranchRepository;
 import org.springframework.boot.ApplicationArguments;
 import org.springframework.boot.ApplicationRunner;
 import org.springframework.core.annotation.Order;
-import org.springframework.stereotype.Component;
 
 import java.time.Instant;
 import java.util.ArrayList;
@@ -32,7 +31,7 @@ import java.util.List;
  *
  * @Order(15) 在 DataSeeder(@Order 1) 之后独立运行。
  */
-@Component
+@DemoSeed
 @Order(15)
 public class BranchFinDemoSeeder implements ApplicationRunner {