v6.0.0

Added

• Database migration tools.

Changed

• DomainEvent is now a class, and uses an EventId struct.
• Using ErrorMessageBuilder in exceptions.
• Recreated scripts and migrations.
• Refactored the LoadFromChanges<T> method to remove Reflection.
• Core package now targets .NET Standard 2.1.
• ToString methods now include ID prefix.

Fixed

• README files and migration commands.
• Docker Compose file.