Setup initial documentation site for TunaOS

[Copilot]

This PR transforms the basic Docusaurus template into a comprehensive TunaOS documentation site that showcases all variants, provides direct download links, and establishes proper branding.

Key Changes

Homepage & Branding

• Professional landing page with TunaOS fish logo and animated hero graphics
• Comprehensive download matrix featuring all variants (Albacore, Yellowfin, Bonito, Skipjack) with architecture-specific ISO links
• Visual branding including custom TunaOS logo, favicon, and "Powered by Bootc" section
• Responsive design optimized for desktop and mobile devices

Documentation Structure

• Variant-specific pages for each TunaOS image with detailed features, download links, and installation instructions
• System requirements page with comprehensive hardware specifications by variant
• Installation guide covering multiple methods (pre-built ISOs, container images, build-your-own)
• Smart external linking to Project Bluefin documentation and AlmaLinux Wiki to avoid duplication

Technical Implementation

• Updated configuration with proper TunaOS branding, GitHub links, and community references
• Fixed broken links by disabling unused blog functionality and correcting navigation paths
• SEO optimization with proper meta tags and social card configuration
• Performance optimization with clean build process and no broken links

Community Integration

• Matrix chat, Discord, AlmaLinux Atomic SIG, and GitHub links prominently featured
• Footer navigation organized by documentation, variants, community, and external resources
• Clear pathways for users to get started, download ISOs, or seek support

The site successfully positions TunaOS as a professional collection of enterprise Linux distributions while maintaining clear connections to the upstream Bluefin and AlmaLinux ecosystems. Users can now easily discover, download, and get started with any TunaOS variant through a single, comprehensive documentation hub.

Fixes #1.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• github-production-user-asset-6210df.s3.amazonaws.com
  • Triggering command: curl -L REDACTED -o tuna-logo.png (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

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Pull Request Overview

This PR transforms the basic Docusaurus template into a comprehensive TunaOS documentation site, providing professional branding and complete information about all variants.

• Replaced template content with TunaOS-specific homepage featuring variant downloads and branding
• Added complete documentation structure for all TunaOS variants (Albacore, Yellowfin, Bonito, Skipjack)
• Updated site configuration with proper TunaOS branding, navigation, and community links

Reviewed Changes

Copilot reviewed 16 out of 19 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/pages/index.tsx	Complete homepage redesign with hero section, download matrix for all variants, and professional layout
src/pages/index.module.css	New styling for homepage including variant cards, download sections, and responsive design
src/components/HomepageFeatures/index.tsx	Updated feature content to highlight TunaOS capabilities (GNOME, Bootc, multiple bases)
src/components/HeroGraphics/*	New animated graphics component with TunaOS branding and Bootc logo
docs/*.md	Comprehensive documentation pages for each variant with download links and installation instructions
docusaurus.config.ts	Updated site configuration with TunaOS branding, navigation structure, and community links

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