void OnGUI()
    {
        EditorGUILayout.LabelField("There is no SoundManager Prefab in your Assets/AudioClips folder, do you want us to create one ?", EditorStyles.wordWrappedLabel);
        GUILayout.Space(50);
        if (GUILayout.Button("Agree!"))
        {
            GameObject SoundManager = new GameObject();

            SoundManager.name = "SoundManager";

            SoundManager.AddComponent <Harmony>();
            SoundManager.AddComponent <SoundManager>();

            PrefabUtility.CreatePrefab("Assets/AudioClips/SoundManager.prefab", SoundManager);

            DestroyImmediate(SoundManager);

            HarmonyEditor.HarmonyProcess();

            this.Close();
        }

        if (GUILayout.Button("No"))
        {
            this.Close();
        }
    }
    void OnGUI()
    {
        EditorGUILayout.LabelField("There is no AudioClips folder in your project, do you want us to create one ?", EditorStyles.wordWrappedLabel);
        GUILayout.Space(50);
        if (GUILayout.Button("Agree!"))
        {
            AssetDatabase.CreateFolder("Assets", "AudioClips");

            HarmonyEditor.HarmonyProcess();

            this.Close();
        }

        if (GUILayout.Button("No"))
        {
            this.Close();
        }
    }