support 1.21.1 previous version does not require updates*
Update possible missing dependency. This version is tested with https://github.com/sakura-ryoko/malilib/releases/tag/1.21-sakura.6 https://github.com/sakura-ryoko/litematica/releases/tag/1.21-sakura.13
1.21 release build, thanks to @sakura-ryoko
thanks to https://github.com/sakura-ryoko
Fixes extreme case with NullPointException
add NBT Ignore Option
Supports 1.20.4 mappings
