Vanitas 0.9.0 Beta

What's Changed

• Add 1.21.1 support by @iJustLeyxo in #34
• Fix issues with format 3 by @iJustLeyxo in #35
• Fix issues with format 1 by @iJustLeyxo in #36
• Update toasts by @iJustLeyxo in #37
• Update creative inventory by @iJustLeyxo in #38
• Fix transparency issues by @iJustLeyxo in #39
• Add format 5 by @iJustLeyxo in #40
• Pull changes from alpha to beta by @iJustLeyxo in #41

Full Changelog: 0.8.0...0.9.0