liboktetacore - en to cs translation catalogue (4 entries)

[ctx: name of the change]
en: Insert
cs: Vložit

[ctx: name of the change]
en: Remove
cs: Odstranit

[ctx: name of the change]
en: Replace
cs: Nahradit

[ctx: name of the change]
en: Swap Ranges
cs: Přepnout rozsahy
