en to hu translation catalogue (3 entries)

[ctx: Month and year used in a tree above the actual days. Have a look at https://doc.qt.io/qt-5/qdate.html#toString to see which variables you can use and ask kde-i18n-doc@kde.org if you have problems understanding how to translate this]
en: MMMM yyyy
hu: yyyy MMMM

en: Today
hu: Ma

en: Calendar
hu: Naptár
