docs: update documentation for Halo 2.9 (#246)

为 Halo 2.9.0 更新文档。

/kind documentation

```release-note
None 
```

i18n/zh-Hans/code.json

@@ -41,10 +41,6 @@
     "message": "警告",
     "description": "The default label used for the Caution admonition (:::caution)"
   },
-  "theme.BackToTopButton.buttonAriaLabel": {
-    "message": "回到顶部",
-    "description": "The ARIA label for the back to top button"
-  },
   "theme.blog.paginator.navAriaLabel": {
     "message": "博文列表分页导航",
     "description": "The ARIA label for the blog pagination"
@@ -57,6 +53,10 @@
     "message": "较旧的博文",
     "description": "The label used to navigate to the older blog posts page (next page)"
   },
+  "theme.BackToTopButton.buttonAriaLabel": {
+    "message": "回到顶部",
+    "description": "The ARIA label for the back to top button"
+  },
   "theme.blog.archive.title": {
     "message": "历史博文",
     "description": "The page & hero title of the blog archive page"
@@ -65,18 +65,6 @@
     "message": "历史博文",
     "description": "The page & hero description of the blog archive page"
   },
-  "theme.blog.post.paginator.navAriaLabel": {
-    "message": "博文分页导航",
-    "description": "The ARIA label for the blog posts pagination"
-  },
-  "theme.blog.post.paginator.newerPost": {
-    "message": "较新一篇",
-    "description": "The blog post button label to navigate to the newer/previous post"
-  },
-  "theme.blog.post.paginator.olderPost": {
-    "message": "较旧一篇",
-    "description": "The blog post button label to navigate to the older/next post"
-  },
   "theme.blog.post.plurals": {
     "message": "{count} 篇博文",
     "description": "Pluralized label for \"{count} posts\". Use as much plural forms (separated by \"|\") as your language support (see https://www.unicode.org/cldr/cldr-aux/charts/34/supplemental/language_plural_rules.html)"
@@ -89,6 +77,18 @@
     "message": "查看所有标签",
     "description": "The label of the link targeting the tag list page"
   },
+  "theme.blog.post.paginator.navAriaLabel": {
+    "message": "博文分页导航",
+    "description": "The ARIA label for the blog posts pagination"
+  },
+  "theme.blog.post.paginator.newerPost": {
+    "message": "较新一篇",
+    "description": "The blog post button label to navigate to the newer/previous post"
+  },
+  "theme.blog.post.paginator.olderPost": {
+    "message": "较旧一篇",
+    "description": "The blog post button label to navigate to the older/next post"
+  },
   "theme.colorToggle.ariaLabel": {
     "message": "切换浅色/暗黑模式（当前为{mode}）",
     "description": "The ARIA label for the navbar color mode toggle"
@@ -144,18 +144,6 @@
     "message": "编辑此页",
     "description": "The link label to edit the current page"
   },
-  "theme.docs.tagDocListPageTitle.nDocsTagged": {
-    "message": "{count} 篇文档带有标签",
-    "description": "Pluralized label for \"{count} docs tagged\". Use as much plural forms (separated by \"|\") as your language support (see https://www.unicode.org/cldr/cldr-aux/charts/34/supplemental/language_plural_rules.html)"
-  },
-  "theme.docs.tagDocListPageTitle": {
-    "message": "{nDocsTagged}「{tagName}」",
-    "description": "The title of the page for a docs tag"
-  },
-  "theme.common.headingLinkTitle": {
-    "message": "{heading}的直接链接",
-    "description": "Title for link to heading"
-  },
   "theme.lastUpdated.atDate": {
     "message": "于 {date} ",
     "description": "The words used to describe on which date a page has been last updated"
@@ -168,6 +156,18 @@
     "message": "最后{byUser}{atDate}更新",
     "description": "The sentence used to display when a page has been last updated, and by who"
   },
+  "theme.common.headingLinkTitle": {
+    "message": "{heading}的直接链接",
+    "description": "Title for link to heading"
+  },
+  "theme.docs.tagDocListPageTitle.nDocsTagged": {
+    "message": "{count} 篇文档带有标签",
+    "description": "Pluralized label for \"{count} docs tagged\". Use as much plural forms (separated by \"|\") as your language support (see https://www.unicode.org/cldr/cldr-aux/charts/34/supplemental/language_plural_rules.html)"
+  },
+  "theme.docs.tagDocListPageTitle": {
+    "message": "{nDocsTagged}「{tagName}」",
+    "description": "The title of the page for a docs tag"
+  },
   "theme.navbar.mobileVersionsDropdown.label": {
     "message": "选择版本",
     "description": "The label for the navbar versions dropdown on mobile view"
@@ -236,26 +236,26 @@
     "message": "收起侧边栏",
     "description": "The title attribute for collapse button of doc sidebar"
   },
-  "theme.docs.sidebar.navAriaLabel": {
-    "message": "文档侧边栏",
-    "description": "The ARIA label for the sidebar navigation"
-  },
   "theme.docs.breadcrumbs.home": {
     "message": "主页面",
     "description": "The ARIA label for the home page in the breadcrumbs"
   },
+  "theme.docs.sidebar.navAriaLabel": {
+    "message": "文档侧边栏",
+    "description": "The ARIA label for the sidebar navigation"
+  },
   "theme.docs.sidebar.closeSidebarButtonAriaLabel": {
     "message": "关闭导航栏",
     "description": "The ARIA label for close button of mobile sidebar"
   },
-  "theme.navbar.mobileSidebarSecondaryMenu.backButtonLabel": {
-    "message": "← 回到主菜单",
-    "description": "The label of the back button to return to main menu, inside the mobile navbar sidebar secondary menu (notably used to display the docs sidebar)"
-  },
   "theme.docs.sidebar.toggleSidebarButtonAriaLabel": {
     "message": "切换导航栏",
     "description": "The ARIA label for hamburger menu button of mobile navigation"
   },
+  "theme.navbar.mobileSidebarSecondaryMenu.backButtonLabel": {
+    "message": "← 回到主菜单",
+    "description": "The label of the back button to return to main menu, inside the mobile navbar sidebar secondary menu (notably used to display the docs sidebar)"
+  },
   "theme.docs.sidebar.expandButtonTitle": {
     "message": "展开侧边栏",
     "description": "The ARIA label and title attribute for expand button of doc sidebar"