feat: Complete multi-blog setup with 12 collections and subdomain routing

- Added 12 blog collections: art, bfs, dfs, problems, puzzles, reviews, reflections, vibes, workflows, magic, contests, poetry
- Created content config with glob loaders for all collections
- Added sample posts for each collection
- Fixed TypeScript collection recognition by removing duplicate config
- Made BlogPosts component collection-aware for proper routing
- Created individual post pages ([...slug].astro) for each collection
- Added Netlify subdomain routing configuration
- Updated all references to use neeldhara.blog as main domain
- Fixed navigation links in all-blogs component

Ready for GitHub/Netlify deployment with subdomain support.

README.md

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+# Charter Astro Template
+
+Charter Astro Template is a premium template built by https://www.shadcnblocks.com
+
+- [Demo](https://charter-astro-template.vercel.app/)
+- [Documentation](https://docs.shadcnblocks.com/templates/getting-started)
+
+## Screenshot
+
+![Charter Astro Template screenshot](./public/og-image.jpg)
+
+## Getting Started
+
+```bash
+# Install dependencies
+npm install
+
+# Run the development server
+npm run dev
+```
+
+Open [http://localhost:4321](http://localhost:4321) with your browser to see the result.
+
+## Tech Stack
+
+- Astro 5.x
+- Tailwind 4
+- shadcn/ui
+
+## Deploy
+
+You can deploy this template to your preferred hosting platform that supports Astro applications. Some recommended options include:
+
+- [Netlify](https://netlify.com)
+- [Vercel](https://vercel.com)
+- [Cloudflare Pages](https://pages.cloudflare.com)