Function addMiscControls

Returns {
    backToLandingPage: {
        onChange: (callback: OnControlChangeCallback<boolean>) => void;
        remove: () => void;
        get params(): ControlParams<T>;
        set params(params: ControlParams<T>): void;
        get value(): T | (boolean & T);
        set value(newValue: T | (boolean & T)): void;
    };
    showFps: {
        onChange: (callback: OnControlChangeCallback<true>) => void;
        remove: () => void;
        get params(): ControlParams<T>;
        set params(params: ControlParams<T>): void;
        get value(): T | (boolean & T);
        set value(newValue: T | (boolean & T)): void;
    };
}