kwin_scripting - en to sk translation catalogue (3 entries)

[ctx: Error message]
en: Could not locate package metadata
sk: Nepodarilo sa nájsť metadáta balíka

[ctx: Required file does not exist]
en: %1 does not contain a valid metadata.json file
sk: %1 neobsahuje platný súbor metadata.json

[ctx: Required file does not exist]
en: %1 does not exist
sk: %1 neexistuje
