refactor: include pre-built docs/ and simplify setup.py

Replace dynamic Starlight creation with pre-built docs/ directory.
This avoids npm downloads during setup and speeds up project initialization.

Author: arcangelo7

_starlight/src/content/docs/getting_started.md

@@ -0,0 +1,21 @@
+# build output
+dist/
+# generated types
+.astro/
+
+# dependencies
+node_modules/
+
+# logs
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+
+
+# environment variables
+.env
+.env.production
+
+# macOS-specific files
+.DS_Store

_starlight/src/content/docs/index.mdx

@@ -8,16 +8,16 @@ export default defineConfig({
 			[rehypeExternalLinks, { target: '_blank', rel: ['noopener', 'noreferrer'] }]
 		],
 	},
-	site: 'https://{{GITHUB_USERNAME}}.github.io',
-	base: '/{{PACKAGE_NAME}}',
+	site: 'https://opencitations.github.io',
+	base: '/python-package-template',
 
 	integrations: [
 		starlight({
-			title: '{{PACKAGE_TITLE}}',
-			description: '{{DESCRIPTION}}',
+			title: 'Python Package Template',
+			description: 'A template for creating Python packages with UV, pytest, and Starlight documentation',
 
 			social: [
-				{ icon: 'github', label: 'GitHub', href: 'https://github.com/{{GITHUB_USERNAME}}/{{PACKAGE_NAME}}' },
+				{ icon: 'github', label: 'GitHub', href: 'https://github.com/opencitations/python-package-template' },
 			],
 
 			sidebar: [