添加Gitalk评论系统

[Sunbertrs]

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• Jekyll documentation
• jekyll-theme-mdui documentation
• [*] jekyll-theme-mdui issues

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• bug report
• [*] feature request
• support request

希望添加Gitalk评论系统。

[KeJunMao]

暂无计划，但是欢迎贡献。

[oOtroyOo]

我的分支，接入了giscus，挺好用。相比以往的评论系统，giscus接入的是Discussion，以往的几种接入的是issue。Discussion确实感觉更适合“评论”。不知道这贴以后还弄不弄