get segments from borrowed str instead of String for flexibility

src/game.rs

@@ -125,7 +125,7 @@ impl Game {
         }
 
         let string = string.trim_start_matches('\n').to_string();
-        let mut segments = segments_from_string(string);
+        let mut segments = segments_from_str(&string);
 
         let mut name = "".to_string();