新增设置-下载设置-同时下载任务数设置（#1498）

src/lang/en-us.json

@@ -406,6 +406,8 @@
   "setting__download_lyric_format_gbk": "GBK (Try to select this format when Chinese garbled characters appear on some devices)",
   "setting__download_lyric_format_utf8": "UTF-8",
   "setting__download_lyric_title": "Select whether to download the lyrics file",
+  "setting__download_max_num": "Number of simultaneous download tasks (setting too high may result in IP being blocked, depending on the audio source)",
+  "setting__download_max_num_tip": "Excessively large number of simultaneous downloads may cause your IP to be blocked by the audio source. Do you confirm the modification?",
   "setting__download_name": "Music file naming",
   "setting__download_name1": "Title - Artist",
   "setting__download_name2": "Artist - Title",

src/lang/zh-cn.json

@@ -406,6 +406,8 @@
   "setting__download_lyric_format_gbk": "GBK（在某些设备上出现中文乱码时可尝试选择此格式）",
   "setting__download_lyric_format_utf8": "UTF-8",
   "setting__download_lyric_title": "是否同时下载歌词文件",
+  "setting__download_max_num": "同时下载任务数（设置过大可能会导致 IP 被封，这取决于音源）",
+  "setting__download_max_num_tip": "过大的同时下载数量可能会导致你的 IP 被音源封禁，是否确认修改？",
   "setting__download_name": "文件命名方式",
   "setting__download_name1": "歌名 - 歌手",
   "setting__download_name2": "歌手 - 歌名",

src/lang/zh-tw.json

@@ -406,6 +406,8 @@
   "setting__download_lyric_format_gbk": "GBK（在某些裝置上出現中文亂碼時可嘗試選擇此格式）",
   "setting__download_lyric_format_utf8": "UTF-8",
   "setting__download_lyric_title": "是否同時下載歌詞文件",
+  "setting__download_max_num": "同時下載任務數（設定過大可能會導致 IP 被封，這取決於音源）",
+  "setting__download_max_num_tip": "過大的同時下載數量可能會導致你的 IP 被音源封禁，是否確認修改？",
   "setting__download_name": "文件命名方式",
   "setting__download_name1": "歌名 - 歌手",
   "setting__download_name2": "歌手 - 歌名",