en to bg translation catalogue (3 entries)

[ctx: KStatusNotifierItem|@action:inmenu]
en: &Minimize
bg: &Минимизиране

[ctx: KStatusNotifierItem|@action:inmenu]
en: Quit
bg: Изход

[ctx: KStatusNotifierItem|@action:inmenu]
en: &Restore
bg: &Възстановяване
