explain get_steamdir

src/user.rs

@@ -21,6 +21,7 @@ impl HeuristicError {
     }
 }
 
+/// Gets the Steam local directory
 pub fn get_steamdir() -> Result<PathBuf, Box<dyn std::error::Error>> {
     let mut dir = dirs::data_local_dir().unwrap_or_else(|| {
         let mut dir = dirs::home_dir().unwrap();