QuickJS-binding-alpha10-20200625

• Importing JSON file as javascript Object support
• Improved property export from JavaScript classes
  • Support register advanced property from javascript ( For enumerations, value ranges etc
  • Allow using this in setter/getter of exported godot properties
• Improved error message ouput
• Fix memory error of reference type in some use case
• TypeScript: Improved member decorators to support pure javascript class members
• TypeScript: Add enum_property decorator to export enumeration property from class
• Update godot engine code to 3.2.2 rc3