docs(setup blog): setup blog

[Myastr0]

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📝 Description

This PR adds a complete Blog section to the Mk Notes documentation site, enabling the team to publish announcements, release notes, and updates directly on the website.

✨ Features Added

Blog Infrastructure

• Blog collection: New content collection for blog posts with frontmatter support for author, date, title, and description
• Authors system: YAML-based author profiles with support for:
  • Name, title, and profile image
  • Social links (GitHub, LinkedIn, Twitter)
  • Reusable author cards across blog posts

Blog Pages

• Blog index page (/blog): Grid layout displaying all blog posts with:

  • Beautiful header with gradient background and grain texture overlay
  • Post cards showing title, description, author, and date
  • Responsive grid (1 column mobile, 3 columns tablet, 4 columns desktop)

• Blog post page (/blog/[slug]): Full article view featuring:

  • Author info and publication date header
  • Table of contents (inline TOC)
  • Full MDX support with all existing components
  • Author card at the bottom with social links

Navigation & SEO

• Added Blog link to the home layout navigation bar
• Extended sitemap generation to include all blog posts

Initial Content

Added three launch blog posts:

1. Alpha Release (Feb 2025) - Initial announcement
2. Product Hunt Launch (Jun 2025) - Public release announcement
3. v3.0.0 Database Support (Nov 2025) - Major feature release

🔧 Technical Changes

• Refactored content-collections.ts to use modular collection files under collections/
• Extended lib/source.ts with blog loader and author helper functions
• Updated codeblock.tsx with accessibility improvements (proper tabIndex, role attributes)
• Renamed metas collection to docsMetas for consistency

📁 Files Changed

File	Change
collections/blogs.ts	New - Blog collection definition
collections/docs.ts	New - Docs collection (extracted)
collections/authors.ts	New - Authors collection & schema
app/(home)/blog/page.tsx	New - Blog index page
app/(home)/blog/[...slug]/page.tsx	New - Blog post page
app/(home)/blog/[...slug]/-parts/author.tsx	New - Author components
content/blog/authors.yml	New - Author data
content/blog/*/index.mdx	New - Blog posts (3)
content-collections.ts	Refactored - Uses modular collections
lib/source.ts	Extended - Blog & author utilities
app/(home)/layout.tsx	Updated - Added Blog nav link
app/sitemap.ts	Updated - Includes blog pages
components/codeblock.tsx	Updated - Accessibility fixes

🖼️ Screenshots

Add screenshots of the blog index and blog post pages here

🧪 Testing

• Verified blog index page renders correctly
• Verified individual blog posts render with proper styling
• Verified author information displays correctly (compact and full variants)
• Verified navigation link works
• Verified sitemap includes blog URLs
• Tested responsive layout on mobile/tablet/desktop

[Myastr0]

👋 Hi, Myastr0! Thanks for opening a PR. We will review it soon.
If you have any questions, feel free to join the #need-help channel on the Discord server