docs: generate comprehensive localized directory readmes

[beginwebdev2002]

📝 What

Generated a rich README.md for every single directory within the codebase to provide clear architectural documentation, complying with the "Luxury Professional" standard for the Mavluda Beauty brand.

🎯 Why

To ensure 100% architectural transparency and enable "Self-Explaining Code" principles. The recursive documentation makes it drastically easier for developers (and AI agents) to navigate the repository, understand module responsibilities, identify path aliases, and interpret the folder hierarchy via Mermaid graphs.

🛡️ Solution

Wrote custom Python scripts (generate_readmes.py and fix_mermaid.py) that:

1. Walk the entire repository tree, excluding hidden files and node_modules.
2. Generate accurate breadcrumbs to easily jump between parents/children.
3. Use a custom heuristic parser to analyze .ts files to identify classes, decorators (e.g. @Controller, @Component), and aliases to populate a descriptive "File Registry".
4. Build fully valid hierarchical Mermaid.js graph TD diagrams mapping files to their containing directories.
5. Identify and state standard FSD layers (Shared, Features, Entities, etc.) if applicable.

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PR created automatically by Jules for task 6397117127361828938 started by @beginwebdev2002

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