create output dir if it's not there

src/main.rs

@@ -93,6 +93,8 @@ fn get_content(config_path: &str) -> (String, String) {
 fn main() {
     let configs = fs::read_dir("./laws").expect("No folder with config files");
 
+    fs::create_dir_all("./output").unwrap();
+
     let mut li_of_files = String::new();
     for config in configs {
         let config = config.unwrap();