sprites/src

Documentation for flags used.

sprites/gen1

• -b Back sprite
• -g Game it is from, can be rb, rg, rgb, or y

models, dex, afd, previews

• -b Back sprite
• -s Shiny
• -g Gmax
• -f Female

minisprites/pokemon

• -v Vendor is someone else than the official games, can be smogon (document duplicate and g5?)