v1.0.0

Added

• A single-file 3D studio that renders a macOS-style IDE window as a lit Three.js scene.
• Syntax highlighting for TypeScript, HTML, CSS, Python, and Rust.
• Six editor colour themes, including light and high-contrast options.
• IDE font choices, adjustable font size and line spacing, and quick theme and
  font cycling controls.
• Five camera views, orbit navigation, zoom controls, and a viewport navigation
  gizmo.
• Five lighting setups and five scene backgrounds.
• Optional [[bracketed]] 3D code text with adjustable extrusion height.
• PNG export named after the window title.