More Beautiful Stairs

Added new stairs, in alphabetical order:

• AMETHYST BLOCK
• BAMBOO BLOCK
• BAMBOO MOSAIC
• CALCITE
• CHERRY WOOD
• CHISELED DEEPSLATE
• COPPER BLOCK
• COPPER ORE
• CRACKED DEEPSLATE BRICKS
• CRACKED DEEPSLATE TILES
• COBBLED DEEPSLATE
• CUT COPPER
• DEEPSLATE
• DEEPSLATE BRICKS
• DEEPSLATE COPPER ORE
• DEEPSLATE COAL ORE
• DEEPSLATE DIAMOND ORE
• DEEPSLATE EMERALD ORE
• DEEPSLATE GOLD ORE
• DEEPSLATE IRON ORE
• DEEPSLATE LAPIS ORE
• DEEPSLATE REDSTONE ORE
• DEEPSLATE TILES
• DRIPSTONE BLOCK
• EXPOSED COPPER
• EXPOSED CUT COPPER
• MANGROVE WOOD
• MOSS BLOCK
• MUD
• MUD BRICKS
• MUDDY MANGROVE ROOTS
• OCHRE FROGLIGHT
• OXIDIZED COPPER
• OXIDIZED CUT COPPER
• PACKED MUD
• PEARLESCENT FROGLIGHT
• POLISHED DEEPSLATE
• RAW COPPER BLOCK
• RAW GOLD BLOCK
• RAW IRON BLOCK
• REINFORCED DEEPSLATE
• ROOTED DIRT
• SCULK
• SCULK CATALYST
• SMOOTH BASALT
• STRIPPED BAMBOO BLOCK
• STRIPPED CHERRY WOOD
• STRIPPED MANGROVE WOOD
• TUFF
• VERDANT FROGLIGHT
• WEATHERED COPPER
• WEATHERED CUT COPPER