Improved Vibrant colour options

vibrant.js

@@ -1,7 +1,11 @@
 const Vibrant = require('node-vibrant');
 const { path } = require('./utils');
+
+const COLOR_COUNT = 256;
+const QUALITY = 3;
+
 module.exports = (file) =>
 	new Promise((resolve, reject) =>
-		Vibrant.from(path(file.path)).getPalette()
-			.then((palette) => resolve(palette.Vibrant.hex))
+		Vibrant.from(path(file.path))
+			.maxColorCount(COLOR_COUNT).quality(QUALITY).getPalette()
 			.catch(reject));