akonadi_mixedmaildir_resource - en to ga translation catalogue (2 entries)

note: i18n: ectx: label, entry (ReadOnly), group (General)
en: Do not change the actual backend data.
ga: Ná hathraigh na sonraí féin.

note: i18n: ectx: property (text), widget (QCheckBox, kcfg_ReadOnly)
en: Open in read-only mode
ga: Oscail sa mhód inléite amháin
