Emissive Ores with Frames

• Updated to 1.21.2.
• Dropped support version for 1.16.x, 1.17.x

• Updated to 1.21

Reduced file size in the resource pack

• Folders in "assets\minecraft\optifine\ctm\ores" have been separated into subfolders overworld\stone, overworld\deepslate & nether

• Updated to 1.20.5

• Update from 1.20.3.

• Delete "deepslate_redstone_ore_off.png".

• Updated to 1.20.2 with maintained backward compatibility
• Add string support_formats in pack.mcmeta.