Fix uninitilized guideData
In some situations (running reforis in docker) it may happen that guideData are not initialized when GuideRouter is renderd.
This commit simply adds default value of to guideData
Self sign-up has been disabled due to increased spam activity. If you want to get access, please send an email to a project owner (preferred) or at gitlab(at)nic(dot)cz. We apologize for the inconvenience.
In some situations (running reforis in docker) it may happen that guideData are not initialized when GuideRouter is renderd.
This commit simply adds default value of to guideData