StackDeobfuscator

• Add more version data to web viewer (versions 23w33a to 1.20.3)
• Use sha256 instead of sha512 checksums for yarn (works around sha512 checksum being wrong sometimes)
• Fix mixin refmap filename looking weird
• Add static mappings getter to fabric mod class

Full Changelog: https://github.com/booky10/StackDeobfuscator/compare/v1.4.1...v1.4.2