Release v0.9.38

• Add support for complex constant assignment (#1599)
• Add support for Data type structs (#1600)
• Support multi method duck type syntax in type explainer (#1631)
• Improve Ruby 3.5 compatibility (#1616)
• Update documentation for various type annotations (#1615)
• JavaScript frontend updates (resizer, JS bugs, reduce console verbosity) for default template
• Fix beginless/endless range errors (#1549, #1625)
• Fix path structure in Templates.md documentation (#1588)
• Fix signature handling in overload (#1590)
• Fix handling of **nil with named block (#1623)
• Fix directives in empty class bodies (#1624)
• Fix parsing of array within array syntax (#1604)
• Fix parsing of visibility keywords in front of class methods (#1632)