authelia config path made optional in config.yml, added exit condition

gga_init.py

@@ -221,6 +221,7 @@ def make_traefik_compose_files(config, main_dir):
                     sys.exit()
             else:
                 logging.critical("Invalid authelia configuration path (%s)" % config["authelia_config_path"])
+                sys.exit()
 
         # Path to the authelia users in the repo
         authelia_users_path = script_dir + "/templates/authelia_users_template.yml"