Add a flyTo option to make the map automatically fly to the built route when it's updated

[smellyshovel]

No description provided.

[joleeee]

onMount(() => {
	map.on('load', () => {
		directions = new MapLibreGlDirections(map, {
			...
		});

		directions.on('setwaypoints', zoomToWaypoints);
	});
});

function zoomToWaypoints() {
	const wps = directions?.waypoints;
	if (wps.length >= 1) {
		let lats = wps.map((x) => x[0]);
		let lons = wps.map((x) => x[1]);

		let bb: [number, number, number, number] = [
			Math.min(...lats),
			Math.min(...lons),
			Math.max(...lats),
			Math.max(...lons)
		];

		if (!bb.includes(NaN)) {
			map.fitBounds(bb, { padding: 50 });
		}
	}
}