CLI: Use API functions

pkgs/clan-cli/clan_cli/webui/__main__.py

@@ -5,6 +5,11 @@ from . import register_parser
 if __name__ == "__main__":
     # this is use in our integration test
     parser = argparse.ArgumentParser()
+    # call the register_parser function, which adds arguments to the parser
     register_parser(parser)
     args = parser.parse_args()
+
+    # call the function that is stored
+    # in the func attribute of args, and pass args as the argument
+    # look into register_parser to see how this is done
     args.func(args)