Add psm writer

src/main.py

@@ -2,6 +2,7 @@ import click
 from pathlib import Path
 
 from json_parser import parse_json
+from psm_parser import write_psm
 from xml_parser import get_xml_data, add_connection, write_xml_data
 
 
@@ -14,8 +15,9 @@ from xml_parser import get_xml_data, add_connection, write_xml_data
 def main(json: Path, xml: Path, name: str, description: str, pretty: bool):
     xml_data = get_xml_data(xml)
     field_names = parse_json(json)
-    root = add_connection(xml_data, name, field_names, description=description)   
+    root = add_connection(xml_data, name, field_names, description=description)
     write_xml_data(root, xml, pretty=pretty)
+    write_psm(name, field_names)
 
 
 if __name__ == "__main__":