Update Chinese (Traditional) translation

locales/zh-TW.json

@@ -467,5 +467,6 @@
     "Channel Sponsor": "頻道贊助者",
     "Song: ": "歌曲： ",
     "Standard YouTube license": "標準 YouTube 授權條款",
-    "Download is disabled": "已停用下載"
+    "Download is disabled": "已停用下載",
+    "Import YouTube playlist (.csv)": "匯入 YouTube 播放清單 (.csv)"
 }