URL pointing to the Mapbox RTL text plugin source.
If set to true, maplibre will defer loading the plugin until rtl text is encountered,
rtl text will then be rendered only after the plugin finishes loading.
setRTLTextPlugin('https://unpkg.com/@mapbox/mapbox-gl-rtl-text@0.2.3/mapbox-gl-rtl-text.js', false);
Sets the map's RTL text plugin. Necessary for supporting the Arabic and Hebrew languages, which are written right-to-left.