Add comprehensive project structure documentation and architecture diagrams#3

Draft

Copilot wants to merge 6 commits intomasterfrom

copilot/edit-readme-for-project-structure

Commits on Dec 6, 2025

Initial plan
Copilot
committed
Add comprehensive project structure, flowcharts, and developer guide to README

Copilot
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obirler
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Add table of contents, quick highlights, and high-level architecture diagram

Copilot
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obirler
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Fix anchor links in table of contents for emoji-based headers

Copilot
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obirler
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Address code review feedback: clarify runtime directories, improve gitignore, and fix step ordering

Copilot
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obirler
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Improve readability and add error handling to code examples

Copilot
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obirler
committed