client: implement queuing

src/composables/perks.js

@@ -0,0 +1,15 @@
+const putCommas = (artists) => {
+  let result = [];
+
+  artists.forEach((i, index, artists) => {
+    if (index !== artists.length - 1) {
+      result.push(i + ", ");
+    } else {
+      result.push(i);
+    }
+  });
+
+  return result;
+};
+
+export default putCommas;