en to sl translation catalogue (3 entries)

[ctx: Error message]
en: Could not locate package metadata
sl: Ni mogoče najti metapodatkov paketa

[ctx: Required file does not exist]
en: %1 does not contain a valid metadata.json file
sl: %1 ne vsebuje veljavne datoteke metadata.json

[ctx: Required file does not exist]
en: %1 does not exist
sl: %1 ne obstaja
