Ensure out-folder is created as a directory

src/xfel_calibrate/repeat.py

@@ -53,6 +53,7 @@ def main(argv=None):
         out_folder = cal_metadata['out-folder']
 
     # finalize & some notebooks expect yaml metadata in the output folder
+    Path(out_folder).mkdir(parents=True, exist_ok=True)
     shutil.copy(working_dir / 'calibration_metadata.yml', out_folder)
 
     job_group = JobGroup(