First structure

src/main.py

@@ -0,0 +1,18 @@
+#!/bin/python
+
+from argparse import ArgumentParser
+from pathlib import Path
+
+def main ():
+    args = parse_args()
+
+
+def parse_args():
+    parser = ArgumentParser()
+    parser.add_argument("in", type=Path, required=True)
+    parser.add_argument("out", type=Path, required=False, default=Path('.'))
+
+    return parser.parse_args()
+
+if __name__ == "__main__":
+    main()