feat(TOC): add keepStatic param for TOC (#372)

exampleSite/content/posts/theme-documentation-basics/index.en.md

@@ -424,7 +424,9 @@ Please open the code block below to view the complete sample configuration :(far
     [params.page.toc]
       # whether to enable the table of the contents
       enable = true
-      # whether to make the table of the contents automatically collapsed
+      # {{< version 0.2.9 >}} whether to keep the static table of the contents in front of the post
+      keepStatic = true
+      # whether to make the table of the contents in the sidebar automatically collapsed
       auto = true
     # {{< version 0.2.0 changed >}} {{< link "https://katex.org/" KaTeX >}} mathematical formulas
     [params.page.math]

exampleSite/content/posts/theme-documentation-basics/index.fr.md

@@ -429,7 +429,9 @@ Please open the code block below to view the complete sample configuration :(far
     [params.page.toc]
       # whether to enable the table of the contents
       enable = true
-      # whether to make the table of the contents automatically collapsed
+      # {{< version 0.2.9 >}} whether to keep the static table of the contents in front of the post
+      keepStatic = true
+      # whether to make the table of the contents in the sidebar automatically collapsed
       auto = true
     # {{< version 0.2.0 changed >}} {{< link "https://katex.org/" KaTeX >}} mathematical formulas
     [params.page.math]

exampleSite/content/posts/theme-documentation-basics/index.zh-cn.md

@@ -427,7 +427,9 @@ hugo
     [params.page.toc]
       # 是否使用目录
       enable = true
-      # 是否使目录自动折叠展开
+      # {{< version 0.2.9 >}} 是否保持使用文章前面的静态目录
+      keepStatic = true
+      # 是否使侧边目录自动折叠展开
       auto = true
     # {{< version 0.2.0 >}} 代码配置
     [params.page.code]