Big documentation rewrite, move docs to example site

exampleSite/content.en/docs/content/pages.md

@@ -0,0 +1,67 @@
+---
+weight: 1
+---
+
+# Page Frontmatter
+
+Every page can use these [frontmatter](https://gohugo.io/content-management/front-matter/) parameters to control its behavior in the theme.
+
+{{< tabs >}}
+{{% tab "YAML" %}}
+```yaml
+---
+title: My Page
+weight: 10
+bookToC: true
+bookCollapseSection: true
+---
+```
+{{% /tab %}}
+
+{{% tab "TOML" %}}
+```toml
++++
+title = 'My Page'
+weight = 10
+bookToC = true
+bookCollapseSection = true
++++
+```
+{{% /tab %}}
+
+{{% tab "JSON" %}}
+```json
+{
+  "title": "My Page",
+  "weight": 10,
+  "bookToC": true,
+  "bookCollapseSection": true
+}
+```
+{{% /tab %}}
+{{< /tabs >}}
+
+## Navigation
+
+These parameters control how the page appears in the sidebar menu. Set in page frontmatter.
+
+| Parameter | Default | Description |
+| --- | --- | --- |
+| `weight` | | Menu ordering. Lower values appear first. Without weight, pages are sorted alphabetically. |
+| `bookHidden` | `false` | Hide the page from the sidebar menu. The page is still accessible by URL. |
+| `bookCollapseSection` | `false` | Make a section collapsible in the sidebar. Subsections are hidden until clicked. |
+| `bookFlatSection` | `false` | Display subsection pages at the same level instead of nesting them. |
+| `bookHref` | | Override the menu link with an external URL. |
+| `bookIcon` | | Display an icon next to the menu entry. |
+
+## Content Display
+
+These parameters control page content rendering. Set in page frontmatter.
+
+| Parameter | Default | Description |
+| --- | --- | --- |
+| `bookToC` | | Show or hide the table of contents. Overrides the site-level `BookToC` setting. |
+| `bookComments` | | Show or hide comments. Overrides the site-level `BookComments` setting. |
+| `bookSearchExclude` | `false` | Exclude this page from the search index. |
+
+See [Blog](/docs/content/blog/) for post-specific frontmatter.