添加多语言支持（Add more languages）

[cheny0y0]

检查项

• 我已点击 设置 → 启动器 → 检查更新 确认了启动器已为最新版，且最新版未实现这一功能。怎样更新？
• 我已在 Issues 页面 中搜索，确认了这一提案未被提交过。
• 我已查看 功能投票页面，确认了这一提案未在投票列表中。
• 我已知晓还没做的新功能真的太多了，忙不过来，所以新功能提案几乎不会被处理，也不建议再提交新功能提案 qwq……

描述

I hope there are some new languages in the launcher options.
I think if there isn't enough abilities to translate them from Simplified Chinese, and then please allow users to translate, share and apply their custom languages.

原因

Oh, what about English(US)?

[WForst-Breeze]

PCL2 does not plan to add support for other languages for the time being. #119 mentions a similar suggestion. Here are the reasons for rejecting it:

1. The English text is mostly longer than the Chinese text, which leads to the need to re-layout the page.
2. Other sites in PCL2 are also difficult to deal with.
3. File download in PCL2 mainly serves Chinese Mainland now. If other languages are supported, it needs to be adjusted.

Thanks for your issue😉

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（我就是一英语渣 凑合看看）
PCL2 暂时不打算添加对其它语言的支持，#119 提及了类似的建议，下面是拒绝理由：

1. 英文的文本大多比中文文本长，这导致需要重新进行页面布局
2. PCL2 中的其它网站的多语言适配也不好处理
3. 文件下载 PCL2 主要服务的是中国大陆地区，如果支持其他语言，就需要对此进行调整

感谢您的反馈~