EPG

EPG sources:
- Source name, EPG URL, Time offset, Default source, Delete source, Add source.
Past days to keep EPG: Select how many days to keep the EPG information.
Store program descriptions: Toggle on/off.
Update interval, hours: Set the interval hours to update the EPGs.
Update on app start: Toggle on/off.
Update on playlist change: Toggle on/off.
Update EPG: Manually start updating.
Clear EPG: Clear all EPG data on the channel guide.
Latest update status: Shows when the EPGs were last updated and if any failed to update.