Initial setup of Theater Ziefen website

- Set up Astro with TypeScript
- Integrate TinaCMS for content management
- Create homepage with hero section and recent posts
- Build blog listing and individual post pages
- Add About and Contact pages
- Implement responsive design with theater theme
- Configure Netlify deployment
- Add comprehensive documentation for developers and editors

Tech stack:
- Framework: Astro 5.x
- CMS: TinaCMS with Git-based workflow
- Content: MDX format for blog and pages
- Styling: Scoped CSS with responsive design
- Deployment: Netlify (configured)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

astro.config.mjs

@@ -1,5 +1,8 @@
 // @ts-check
 import { defineConfig } from 'astro/config';
+import mdx from '@astrojs/mdx';
 
 // https://astro.build/config
-export default defineConfig({});
+export default defineConfig({
+  integrations: [mdx()],
+});