Fix broken syntax

Author: josh-wong

sidebars.js

@@ -76,46 +76,48 @@ const sidebars = {
       label: 'CD collection',
       id: 'cd-collection/index',
     },
-    'A-Z by artist': [
-      'cd-collection/a',
-      'cd-collection/b',
-      'cd-collection/c',
-      'cd-collection/d',
-      'cd-collection/e',
-      'cd-collection/f',
-      'cd-collection/g',
-      'cd-collection/h',
-      'cd-collection/i',
-      'cd-collection/j',
-      'cd-collection/k',
-      'cd-collection/l',
-      'cd-collection/m',
-      'cd-collection/n',
-      'cd-collection/o',
-      'cd-collection/p',
-      'cd-collection/q',
-      'cd-collection/r',
-      'cd-collection/s',
-      'cd-collection/t',
-      'cd-collection/u',
-      'cd-collection/v',
-      'cd-collection/w',
-      'cd-collection/x',
-      'cd-collection/y',
-      'cd-collection/z',
-    ],
-    '0-9 by artist': [
-      'cd-collection/0',
-      'cd-collection/1',
-      'cd-collection/2',
-      'cd-collection/3',
-      'cd-collection/4',
-      'cd-collection/5',
-      'cd-collection/6',
-      'cd-collection/7',
-      'cd-collection/8',
-      'cd-collection/9',
-    ],
+    {
+      'A-Z by artist': [
+        'cd-collection/a',
+        'cd-collection/b',
+        'cd-collection/c',
+        'cd-collection/d',
+        'cd-collection/e',
+        'cd-collection/f',
+        'cd-collection/g',
+        'cd-collection/h',
+        'cd-collection/i',
+        'cd-collection/j',
+        'cd-collection/k',
+        'cd-collection/l',
+        'cd-collection/m',
+        'cd-collection/n',
+        'cd-collection/o',
+        'cd-collection/p',
+        'cd-collection/q',
+        'cd-collection/r',
+        'cd-collection/s',
+        'cd-collection/t',
+        'cd-collection/u',
+        'cd-collection/v',
+        'cd-collection/w',
+        'cd-collection/x',
+        'cd-collection/y',
+        'cd-collection/z',
+      ],
+      '0-9 by artist': [
+        'cd-collection/0',
+        'cd-collection/1',
+        'cd-collection/2',
+        'cd-collection/3',
+        'cd-collection/4',
+        'cd-collection/5',
+        'cd-collection/6',
+        'cd-collection/7',
+        'cd-collection/8',
+        'cd-collection/9',
+      ],
+    },
   ],
   zuneSoftwareSetup: [
     {