adding import for crossorigin

backend/src/main/java/com/realnet/FileUpload/Controllers/UploadeddocsController.java

@@ -22,6 +22,7 @@ import org.springframework.dao.DataAccessException;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.web.bind.annotation.CrossOrigin;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;