2.0.4+1.21.1

Additions 🍎

• Data Attributes is now on 1.21.1 for fabric & neoforge!
• Add button for Entity Types (will downstream this to 1.20.1 momentarily).

Changes 🌽

• Resolved source identifier on jars.
• EventSources are used in replacement of fabric api events to be more compatible with multi-loader. Event classes have been renamed.
  • AttributeEvents
  • AttributeModifiedEvents