Constant HEADER

Source
const HEADER: &str = r##"
// DISCLAIMER: All code below this line is generated with `cargo xtask codegen js-list`
// in the syntastica workspace. Do not edit this code manually!
/**
 * A list of all builtin themes.
 *
 * @see The {@link BuiltinTheme} type.
 */
export const BUILTIN_THEMES = [
"##;