Thunderbirds

Moved and renamed Leather Armour item textures from textures/models/armor to textures/entity/equipment/humanoid and textures/entity/equipment/humanoid_leggings.

Made use of the "supported_formats" tag in the pack.mcmeta file to allow a single resource pack to work with multiple pack_format values.

Added lang files with the author and title of paintings which have are changed by this resource pack.

Replaced paintings_kristoffer_zetterstrand.png with individual files for each painting being changed.

Renamed textures/items folder to textures/item.