Bump the npm group with 5 updates (#35)

* Bump the npm group with 5 updates

Bumps the npm group with 5 updates:

| Package | From | To |
| --- | --- | --- |
| [@astrojs/starlight](https://github.com/withastro/starlight/tree/HEAD/packages/starlight) | `0.34.2` | `0.34.3` |
| [@tailwindcss/vite](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/@tailwindcss-vite) | `4.1.5` | `4.1.6` |
| [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) | `5.7.10` | `5.7.12` |
| [tailwindcss](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/tailwindcss) | `4.1.5` | `4.1.6` |
| [@types/sanitize-html](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/sanitize-html) | `2.15.0` | `2.16.0` |


Updates `@astrojs/starlight` from 0.34.2 to 0.34.3
- [Release notes](https://github.com/withastro/starlight/releases)
- [Changelog](https://github.com/withastro/starlight/blob/main/packages/starlight/CHANGELOG.md)
- [Commits](https://github.com/withastro/starlight/commits/@astrojs/[email protected]/packages/starlight)

Updates `@tailwindcss/vite` from 4.1.5 to 4.1.6
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/tailwindlabs/tailwindcss/commits/v4.1.6/packages/@tailwindcss-vite)

Updates `astro` from 5.7.10 to 5.7.12
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/astro/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/[email protected]/packages/astro)

Updates `tailwindcss` from 4.1.5 to 4.1.6
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/tailwindlabs/tailwindcss/commits/v4.1.6/packages/tailwindcss)

Updates `@types/sanitize-html` from 2.15.0 to 2.16.0
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/sanitize-html)

---
updated-dependencies:
- dependency-name: "@astrojs/starlight"
  dependency-version: 0.34.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm
- dependency-name: "@tailwindcss/vite"
  dependency-version: 4.1.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm
- dependency-name: astro
  dependency-version: 5.7.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm
- dependency-name: tailwindcss
  dependency-version: 4.1.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm
- dependency-name: "@types/sanitize-html"
  dependency-version: 2.16.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: npm
...

Signed-off-by: dependabot[bot] <[email protected]>

* Use custom Rehype plugin to re-add header links to non-Starlight pages

* Run Prettier

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Kyle Lacy <[email protected]>

Author: dependabot[bot]

astro.config.mjs

@@ -1,10 +1,11 @@
 import { defineConfig } from "astro/config";
 import starlight from "@astrojs/starlight";
-import { redirects } from "./src/pages/_redirects";
 import sitemap from "@astrojs/sitemap";
-import robotsTxt from "astro-robots-txt";
-
+import { rehypeHeadingIds } from '@astrojs/markdown-remark';
 import tailwindcss from "@tailwindcss/vite";
+import robotsTxt from "astro-robots-txt";
+import rehypeAutolinkHeadings from "./src/plugins/rehype-autolink-headings";
+import { redirects } from "./src/pages/_redirects";
 
 // https://astro.build/config
 export default defineConfig({
@@ -184,6 +185,13 @@ export default defineConfig({
     },
   ],
 
+  markdown: {
+    rehypePlugins: [
+      rehypeHeadingIds,
+      rehypeAutolinkHeadings,
+    ]
+  },
+
   vite: {
     plugins: [tailwindcss()],
   },