Method observe

launcher/ui/pages/instance/ServersPage.cpp:196–210

    virtual ~ServersModel() {};

    void observe()
    {
        if(m_observed)
        {
            return;
        }
        m_observed = true;

        if(!m_loaded)
        {
            load();
        }

        updateFSObserver();
    }

    void unobserve()
    {