docs: massive doc update

site/docs/configuration.md

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+---
+title = "Configuration"
+---
+# Configuration
+
+## site.conf
+
+```conf
+title = "kewt"
+style = "kewt"
+dir_indexes = true
+single_file_index = true
+flatten = false
+order = ""
+home_name = "Home"
+show_home_in_nav = true
+nav_links = ""
+nav_extra = ""
+footer = "made with <a href=\"https://kewt.krzak.org\">kewt</a>"
+logo = ""
+display_logo = false
+display_title = true
+logo_as_favicon = true
+favicon = ""
+generate_page_title = true
+error_page = "not_found.html"
+versioning = false
+enable_header_links = true
+base_url = ""
+generate_feed = false
+feed_file = "rss.xml"
+posts_dir = ""
+posts_per_page = 12
+custom_admonitions = ""
+cw_hide_url = true
+```
+- `title` - site title
+- `style` - style file name from `./styles` (without `.css`)
+- `dir_indexes` - generate directory index pages when missing `index.md`
+- `single_file_index` - if a directory has one markdown file and no `index.md`, use that file as `index.html`
+- `flatten` - flatten sidebar directory levels
+- `order` - comma separated file/directory name list to order the sidebar (alphabetical by default)
+- `home_name` - text for the home link in navigation (default: "Home")
+- `show_home_in_nav` - show home link in navigation (default: true)
+- `nav_links` - comma separated extra nav links, as bare URLs or Markdown links like `[Label](https://example.com)`
+- `nav_extra` - raw HTML appended inside the `<nav>` after the generated link list
+- `footer` - footer html/text shown at the bottom of pages
+- `logo` - logo image path (used in header if enabled)
+- `display_logo` - show logo in header
+- `display_title` - show title text in header
+- `logo_as_favicon` - use `logo` as favicon
+- `favicon` - explicit favicon path (used when `logo_as_favicon` is false or no logo is set)
+- `generate_page_title` - automatically generate title text from the first markdown heading or filename (default: true)
+- `error_page` - filename for the generated 404 error page (default: "not_found.html", empty to disable)
+- `versioning` - append a version query parameter (`?v=timestamp`) to css asset urls to bypass cache (default: false)
+- `base_url` - absolute URL of the site, used for sitemap and RSS feed generation
+- `generate_feed` - enable RSS feed generation (requires `base_url`)
+- `feed_file` - filename for the generated RSS feed (default: "rss.xml")
+- `posts_dir` - directory name containing posts (e.g., "posts"). Enables reverse-chronological sorting, title headings in indexes, and automatic backlinks.
+- `posts_per_page` - number of posts per page in paginated post indexes (default: 12). Set to 0 to disable pagination.
+- `enable_header_links` - turns markdown section headings into clickable anchor links (default: true)
+- `custom_admonitions` - comma separated list of custom admonitions
+- `cw_hide_url` - embeds non-breaking JS to replace the URL in the browser bar on content warning pages (default: true)
+
+## Dot Files
+
+- `.kewtignore` - files/directories to ignore completely. If the file is empty, the whole directory gets ignored.
+- `.kewthide` - files/directories to hide from navigation but still process. Same empty-file rules as `.kewtignore`.
+- `.kewtpreserve` - files/directories to copy as-is without converting markdown to HTML. Same empty-file rules again.

site/docs/embeds.md

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+---
+title = "Embeds"
+---
+# Embeds
+
+- `\![link]`:
+  - local image/audio/video files are embedded as media tags
+  - local text/code files are inlined directly
+  - global image/audio/video links are embedded as media tags
+  - other global links are embedded as `<iframe>`
+- `\![alt](link)` works the same, with `alt` used for images
+- `\!![link]` and `\!![alt](link)` force inline local file contents
+
+If you want to **force** a file to be inlined, use `\!![]` instead of `\![]`
+
+## Typed Embeds
+
+Force specific output regardless of extension:
+
+- `\!i[link]` or `\!i[alt](link)` - **I**mage
+- `\!v[link]` - **V**ideo
+- `\!a[link]` - **A**udio
+- `\!f[link]` - I**f**rame
+- `\!e[link]` - Inline/**e**mbed text/code file directly

site/docs/frontmatter.md

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+---
+title = "Frontmatter"
+---
+# Frontmatter
+
+You can set metadata for a page using a `site.conf`-style frontmatter block at the very top of `.md` files:
+
+```conf
+---
+title = "Custom Page Title"
+date = "2026-03-23 11:32"
+draft = false
+description = "A short page summary"
+---
+```
+- `title` - overrides the page title, post name in index links, and RSS `<title>`.
+- `date` - overrides the post date and time. Supports `YYYY-MM-DD` and `YYYY-MM-DD HH:MM` (or `HH-MM`).
+- `draft` - if `true`, the file is excluded from HTML generation.
+- `description` - page description, used for Open Graph `og:description` meta tag.
+- `content_warning` - if set, creates an interstitial warning page that the user must click through. If set to `true` uses a generic warning, otherwise uses your string.

site/docs/index.md

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+---
+title = "Documentation"
+---
+# Documentation
+
+{{LIST}}

site/docs/installation.md

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+---
+title = "Installation"
+---
+# Installation
+
+## Standalone
+
+```sh
+curl -L -o kewt https://git.krzak.org/N0VA/kewt/releases/download/latest/kewt
+chmod +x kewt
+```
+## From source
+
+```sh
+git clone https://git.krzak.org/N0VA/kewt.git
+cd kewt
+```
+### Building
+
+```sh
+make
+```
+### Installing
+
+```sh
+sudo make install
+```
+## Package Managers
+
+### AUR
+
+- [kewt-bin](https://aur.archlinux.org/packages/kewt-bin) - prebuilt standalone binary from the latest release
+- [kewt-git](https://aur.archlinux.org/packages/kewt-git) - built from the latest git source
+
+### Homebrew
+
+```sh
+brew tap n0va-bot/tap
+brew install kewt
+```
+### bpkg
+
+```sh
+bpkg install n0va-bot/kewt
+```

site/docs/markdown.md

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+---
+title = "Markdown Extensions"
+---
+# Markdown Extensions
+
+## Directory Index Customisation
+
+By default, directories without an `index.md` get an auto-generated index page listing their contents.
+
+If you create your own `index.md` in a directory, you can still include the auto-generated file list by using the `{{LIST}}` placeholder:
+
+```md
+# Blog
+
+This is my blog. The posts are below. The top-most one is the most recent.
+
+{{LIST}}
+```
+The `{{LIST}}` placeholder is replaced with the autogenerated file list.
+
+## Table of Contents
+
+`{{TOC}}` auto-generates a nested heading list with clickable anchors.
+
+## Footnotes
+
+Full support for `[^id]` footnotes and `[^id]: text` definitions. They render as a numbered `<section>` at the bottom of the page.
+
+## Definition Lists
+
+Definition lists use the standard syntax:
+
+```md
+Term
+: Definition
+```
+This renders as `<dl><dt>Term</dt><dd>Definition</dd></dl>`. Multiple definitions per term are supported.
+
+## Emoji Shortcodes
+
+Standard GitHub/MkDocs emoji shortcodes like `:smile:`, `:fire:`, `:rocket:` are automatically replaced with their Unicode emoji equivalents. Shortcodes inside code blocks are left as-is.

site/docs/templates.md

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+---
+title = "Templates"
+---
+# Templates
+
+When customizing `template.html`, the placeholders available are:
+- `{{CONTENT}}` - the generated content
+- `{{TITLE}}` - the generated title
+- `{{NAV}}` - the generated navigation
+- `{{FOOTER}}` - the configured footer
+- `{{VERSION}}` - the cache-busting string from `versioning = true` (e.g. `?v=12345678`). Safe to use even if versioning is **disabled** (it will be empty).
+- `{{CSS}}` - the configured CSS file path
+- `{{LANG}}` - the configured document language
+- `{{HEAD_EXTRA}}` - meta-tags
+- `{{HEADER_BRAND}}` - header rendering the name and/or logo

site/docs/usage.md

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+---
+title = "Usage"
+---
+# Usage
+
+```sh
+kewt --help
+kewt --version
+kewt --new [title]
+kewt --post [title]
+kewt --generate-template [path]
+kewt --update [dir]
+kewt --from <src> --to <out>
+kewt [src] [out]
+kewt --watch
+kewt --serve [port]
+```
+- `--new [title]` creates a new site directory with a default `site.conf`, `template.html`, and `index.md`.
+- `--post [title]` creates a new markdown file in the configured `posts_dir` with the current date/time as the filename and default frontmatter.
+- `--generate-template [path]` writes the default `template.html` to the given path (defaults to `template.html` in the current directory).
+- `--update [dir]` adds any missing keys to `site.conf` and checks `template.html` against the latest default.
+- `--watch` (`-w`) watches for file changes in the source directory and rebuilds automatically.
+- `--serve` (`-s`) starts a local HTTP server (python3 or busybox) in the output directory after building. Use with the port number to specify the port. Composable with `--watch`.