Add breton (br / bre) country translations, fix v2
Hi! Added breton translations for v3.1 and v3 (bre). Also fixed v2, br in ISO 639-1 is for breton, not brazilian portuguese (I assume).
Hi! Added breton translations for v3.1 and v3 (bre). Also fixed v2, br in ISO 639-1 is for breton, not brazilian portuguese (I assume).