Fix README formatting: Extract Python code and create proper documentation

[Copilot]

Problem

The README.md file contained a chaotic mix of Python code and documentation that made the repository difficult to understand and use:

• 268 lines of raw Python code embedded directly in the markdown file instead of proper documentation
• No code block formatting - Python code was displayed as plain text without syntax highlighting
• Misplaced images embedded within code sections, breaking readability
• Impossible to read as documentation - users couldn't distinguish between instructions and actual code

Solution

This PR completely restructures the repository to follow proper documentation practices:

📁 Extracted Python Code

• Created laquisha_backend.py containing the complete FastAPI application (261 lines)
• All Python code is now properly organized in a dedicated module
• Code compiles and imports correctly, maintaining full functionality

📖 Rebuilt README Documentation

Completely rewrote the README as professional documentation with:

• Clear project overview with features and benefits
• Step-by-step installation guide with prerequisites and dependencies
• Usage examples properly formatted in code blocks with syntax highlighting:

# Start the server
python laquisha_backend.py

# Test with curl
curl -X POST http://localhost:8000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -d '{"model": "laquisha-7b", "messages": [{"role": "user", "content": "Hello"}]}'

• Configuration reference with environment variables and code examples
• API documentation with request/response schemas
• Development guidelines for customization and contribution

🔧 Project Structure Improvements

• Added .gitignore to exclude Python cache files and build artifacts
• Cleaned up accidentally committed cache files
• Professional repository structure ready for development

Before vs After

Before: A single README.md file with 268 lines mixing raw Python code and text
After: Clean separation with proper documentation (216 lines) and organized code (261 lines)

The repository is now easily readable, properly documented, and follows standard open-source project conventions. Users can quickly understand what LaQuisha AI does, how to install it, and how to use it effectively.

This pull request was created as a result of the following prompt from Copilot chat.

The README file in the repository Fortnumsound/LaQuisha-fast-API-backend-for-Llama.cpp contains a mix of code and instructions, with some code improperly formatted outside of code blocks. This makes the file difficult to read and understand. The task is to clean up the README by ensuring that all code snippets are properly formatted within code blocks and removing any misplaced code in the text. Additionally, the README should clearly separate instructions, explanations, and code to improve readability and usability.

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