New type (#399)

* Update artplayer.d.ts

scripts/build-sw.js

@@ -9,5 +9,5 @@ generateSW({
     if (warnings.length > 0) {
         console.warn('Warnings encountered while generating a service worker:', warnings.join('\n'));
     }
-    console.log(`Generated a service worker, which will precache ${count} files, totaling ${size} bytes.`);
+    console.log(`✨ Generated a service worker, which will precache ${count} files, totaling ${size} bytes.`);
 });