v0.2.1

• Refined parser migration toward explicit MapEvalConfig propagation
  • Replaced top-level legacy translate!() usage in parse_config_obj() and parse_layout_obj() with explicit translate_with_config!() entrypoints
• Updated tests to validate the migration path remains stable
  • Added a layout/config regression case in tests/test_code_handler.rs covering map.*-backed title, legend, axis range, and config parsing