feat: Create LEARNING.md and update README.md

[google-labs-jules]

This commit introduces a new LEARNING.md file, designed to provide a comprehensive technical overview of the SnippetBox project for CV and learning purposes. It also includes a complete overhaul of the README.md file to be more professional and welcoming to new users.

Key changes:

• Created LEARNING.md with a detailed breakdown of the tech stack, key libraries, major achievements, and skills demonstrated.
• Updated README.md with a new project description, badges, an image placeholder, a Mermaid diagram illustrating the application's architecture, and clearer instructions for getting started.

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PR created automatically by Jules for task 17003285893357054301

[google-labs-jules]

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[Copilot]

Pull Request Overview

This PR enhances the project's documentation by creating a comprehensive technical overview for CV purposes and modernizing the README for a more professional presentation. The changes focus on improving clarity, adding visual elements, and providing detailed technical context.

Key Changes:

• Introduced LEARNING.md to document technical skills, architecture decisions, and learning outcomes
• Restructured README.md with badges, architecture diagram, and improved formatting for better readability

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 4 comments.

File	Description
README.md	Complete overhaul with professional formatting, badges, Mermaid diagram, and clearer installation instructions
LEARNING.md	New file documenting tech stack, libraries, achievements, and skills for CV/learning purposes

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[adcondev]

ok