en to ga translation catalogue (3 entries)

[ctx: KStatusNotifierItem|@action:inmenu]
en: &Minimize
ga: Íos&laghdaigh

[ctx: KStatusNotifierItem|@action:inmenu]
en: Quit
ga: Scoir

[ctx: KStatusNotifierItem|@action:inmenu]
en: &Restore
ga: Athchói&righ
