feat(spec): add feature specification for sample markdown file (#885)

[blackpc]

Summary

• Created sample markdown file test-i338ui.md with title "The Art of Cloud Computing"
• Added comprehensive feature specification files for tracking and documentation
• File includes a title and 2-3 sentences about cloud computing as requested

Test plan

• Markdown file created with correct name
• File contains proper title formatting
• File contains 2-3 sentences of prose content
• Specification files generated and committed

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