Slack (7.x-1.6) - en to ug translation catalogue (5 entries)

en: Username
ug: ئىشلەتكۈچى نامى

en: Message
ug: ئۇچۇر

en: Image
ug: سۈرەت

en: Configuration
ug: لايىھە

en: Color
ug: رەڭ
