Create visual text-based wireframe for front page layout in docs folder

[Copilot]

This PR adds comprehensive visual wireframe documentation for the Orionrobots front page layout structure. The wireframe is created in a new docs/ folder that is properly excluded from the Eleventy build process.

What's Added

📁 New Documentation Structure

• Created docs/front-page-wireframe.md containing detailed visual layout specifications
• Added docs/ to .eleventyignore to ensure documentation doesn't interfere with site generation

🎯 Visual Wireframe Content
The wireframe provides a text-based visual representation of the complete front page layout as it appears to users, including:

• Above the Fold: Navigation bar, tag row, page header, intro text, and featured book banner
• Below the Fold: Community links, recent posts section (6 posts), additional navigation, and footer
• Full Page Structure: ASCII-art style layout showing visual hierarchy and content flow
• Section Breakdown: Detailed views of each major layout section
• Responsive Behavior: Mobile and tablet layout considerations
• Layout Characteristics: Key differences from other page layouts (full-width, no sidebar)

Layout Focus

The wireframe focuses on visual layout structure rather than HTML implementation, documenting:

• What users actually see on screen from top to bottom
• Content hierarchy and visual flow
• Above/below the fold considerations
• Responsive breakpoints and behavior
• Differences from other page layouts (no sidebar vs. standard pages)

Verification

• ✅ Eleventy correctly ignores the docs/ folder during build process
• ✅ Debug output confirms docs/** is in the ignore list
• ✅ Documentation provides clear visual reference for layout structure
• ✅ No unrelated dependency changes included

This provides a clear visual reference for the front page layout structure that can be used for design planning and development without affecting the site build process.

Fixes #274.

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[github-actions]

🦙 MegaLinter status: ❌ ERROR

Descriptor	Linter	Files	Fixed	Errors	Warnings	Elapsed time
❌ ACTION	actionlint	5		6	0	0.09s
✅ BASH	bash-exec	1		0	0	0.0s
✅ BASH	shellcheck	1		0	0	0.06s
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❌ C	cppcheck	8		8	0	0.29s
❌ CPP	cppcheck	8		8	0	0.28s
✅ JSON	npm-package-json-lint	yes		no	no	0.48s
✅ JSON	v8r	12		0	0	9.45s
❌ MARKDOWN	markdown-link-check	739		217	0	780.27s
✅ REPOSITORY	gitleaks	yes		no	no	13.59s
✅ REPOSITORY	git_diff	yes		no	no	0.77s
❌ REPOSITORY	grype	yes		2	no	33.2s
✅ REPOSITORY	secretlint	yes		no	no	42.7s
✅ REPOSITORY	syft	yes		no	no	1.73s
✅ REPOSITORY	trivy-sbom	yes		no	no	3.21s
✅ REPOSITORY	trufflehog	yes		no	no	4.55s
✅ XML	xmllint	1		0	0	190.38s
✅ YAML	v8r	13		0	0	8.79s

See detailed report in MegaLinter reports