docs: Docusaurus

[danoctua]

Documentation Setup with Docusaurus

Description

This PR sets up a comprehensive documentation site using Docusaurus. It provides a central place for User Guides, Functional Documentation, and Technical References, all styled to match the Access Tool's brand identity.

Checklist

• I have read the contributing guidelines.
• I ran all tests and they passed successfully.
• I added/updated documentation (if applicable).
• I reviewed my own code and followed the project's code style.
• I included relevant details in the PR description or commit messages.

Changes

• Infrastructure: Initialized Docusaurus with TypeScript in the docs/ directory.
• Styling: Applied the Access Tool design system (SF Pro font, primary blue accents, blurred navbar) for visual consistency with the frontend.
• Content: Set up the main categories and drafted initial subcategories for User Guide, Functional, and Technical documentation.
• Deployment: Added a GitHub Actions workflow .github/workflows/deploy-docs.yml for automatic deployment to GitHub Pages.
• Cleanup: Removed all default Docusaurus blog files and template images to maintain a minimalistic and professional look.

How Has This Been Tested?

• Build Verification: Successfully ran npm run build in the docs/ directory to ensure zero broken links and valid static file generation.
• Visual Verification: Checked the landing page and documentation structure on a local development server.

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Thank you for contributing! 🎉

[jamerson1994-cloud]

Gg