feat(docs): configure Starlight site with Catppuccin theme

docs/site/astro.config.mjs

@@ -1,26 +1,22 @@
-// @ts-check
 import { defineConfig } from 'astro/config';
 import starlight from '@astrojs/starlight';
+import sidebar from './src/sidebar.json' with { type: 'json' };
 
-// https://astro.build/config
 export default defineConfig({
-	integrations: [
-		starlight({
-			title: 'My Docs',
-			social: [{ icon: 'github', label: 'GitHub', href: 'https://github.com/withastro/starlight' }],
-			sidebar: [
-				{
-					label: 'Guides',
-					items: [
-						// Each item here is one entry in the navigation menu.
-						{ label: 'Example Guide', slug: 'guides/example' },
-					],
-				},
-				{
-					label: 'Reference',
-					items: [{ autogenerate: { directory: 'reference' } }],
-				},
-			],
-		}),
-	],
+  site: 'https://fish-config.pages.dev',
+  integrations: [
+    starlight({
+      title: 'Fish Config',
+      description: 'Reference manual for the rootiest fish configuration.',
+      social: [
+        {
+          icon: 'code-branch',
+          label: 'Gitea',
+          href: 'https://git.rootiest.dev/rootiest/fish-config',
+        },
+      ],
+      customCss: ['./src/styles/catppuccin.css'],
+      sidebar,
+    }),
+  ],
 });