en to unknown language translation catalogue (5 entries)

[ctx: QColorDialog]
en: &Add to Custom Colors
target: &Add to Custom Colours

[ctx: QColorDialog]
en: &Basic colors
target: &Basic colours

[ctx: QColorDialog]
en: &Custom colors
target: &Custom colours

[ctx: QColorDialog]
en: &Pick Screen Color
target: &Pick Screen Colour

[ctx: QColorDialog]
en: Select Color
target: Select Colour
