sort laws by filename

src/main.rs

@@ -91,13 +91,16 @@ fn get_content(config_path: &str) -> (String, String) {
 }
 
 fn main() {
-    let configs = fs::read_dir("./laws").expect("No folder with config files");
+    let mut configs: Vec<_> = fs::read_dir("./laws")
+        .unwrap()
+        .map(|r| r.unwrap())
+        .collect();
+    configs.sort_by_key(|dir| dir.path());
 
     fs::create_dir_all("./output").unwrap();
 
     let mut li_of_files = String::new();
     for config in configs {
-        let config = config.unwrap();
         let filename = config.file_name().into_string().unwrap();
         //TODO: use proper logic...
         let law_name = filename.replace(".toml", "");