add eslint

module/playlist_tracks.js

@@ -1,13 +1,13 @@
 // 收藏单曲到歌单 从歌单删除歌曲
 
 module.exports = (query, request) => {
-    const data = {
-        op: query.op, // del,add
-        pid: query.pid, // 歌单id
-        trackIds: '[' + query.tracks + ']' // 歌曲id
-    }
-    return request(
-        'POST', `https://music.163.com/weapi/playlist/manipulate/tracks`, data,
-        {crypto: 'weapi', cookie: query.cookie, proxy: query.proxy}
-    )
+  const data = {
+    op: query.op, // del,add
+    pid: query.pid, // 歌单id
+    trackIds: '[' + query.tracks + ']' // 歌曲id
+  }
+  return request(
+    'POST', `https://music.163.com/weapi/playlist/manipulate/tracks`, data,
+    {crypto: 'weapi', cookie: query.cookie, proxy: query.proxy}
+  )
 }