Release 1.31

• Added target_block.
• Improved foliage colormaps, iron_golem, polarbear, azalea +flowering, ice, blackstone, zombie, steve, skeleton, slime, pig, cow, horse, ghast, dolphin, creeper, banner, rooted dirt, melon, lava, fletching table, deepslate_top, calcite, wheat, stone, stone_bricks +mossy +cracked, andesite, diorite, blackstone, obsidian +crying.