docsify giscus plugin，集成giscus评论插件！

1. Applay giscus ，申请 giscus

2. Configure docsify-giscus:(配置值详情请参考 https://giscus.app/zh-CN ）

   <script>
   window.$docsify = {
     giscus:{
       repo: "mg0324/docsify-note-01",
       repoId: "R_kgDOI4bELQ",
       category: "Announcements",
       categoryId: "DIC_kwDOI4bELc4CT_Su",
       mapping: "url",
       reactionsEnabled: "0",
       strict: "1",
       emitMetadata: "0",
       inputPosition: "bottom",
       theme: "light",
       lang: "zh-CN",
       loading: "lazy"
     },
   }
   </script>

3. Insert script into docsify document:

   <!-- giscus评论  -->
   <link rel="stylesheet" href="https://unpkg.com/docsify-giscus@1.0.0/dist/giscus.css">
   <script src="https://unpkg.com/docsify-giscus@1.0.0/dist/docsify-giscus.min.js"></script>