Added parameter in load

Assets/Scripts/CityGen/CityGen.cs

@@ -140,7 +140,7 @@ public partial class CityGen : MonoBehaviour {
 	}
 
 	// Load the data about city.
-	public bool load(){
+	public bool load(string fileName = "data"){
 		string cityDataAsJson = System.IO.File.ReadAllText(Application.persistentDataPath + this.jsonFilePath);
 		city = JsonUtility.FromJson<City>(cityDataAsJson);
 		return (city != null);