feat: improve devcontainer configuration

[tooniez]

Summary

This PR addresses issue #5 by improving the devcontainer configuration for better developer experience and performance.

Changes Made

Dockerfile Improvements

• Updated base image to for better security and performance
• Added package caching with to reduce image size
• Pinned versions for critical packages
• Added additional development tools: , ,

DevContainer Configuration Updates

• Enhanced VS Code settings with better performance options
• Added Python linting (pylint, flake8) and formatting (black) configuration
• Improved Neovim integration with auto-configured plugins
• Added file nesting patterns for better project organization

Script Improvements

• Enhanced with better error handling and git configuration
• Improved with:
  • Additional Python tools installation
  • Pre-commit hooks setup
  • GitHub Actions CI workflow template creation

Benefits

• Faster container build times with caching
• Better code quality with linting and formatting
• Improved developer productivity with optimized tooling
• Consistent configuration across team members

Testing

All changes have been tested locally and follow the project's conventions.

Checklist

• Code follows project conventions ()
• Changes are minimal and focused
• No breaking changes introduced
• CI will validate these changes

Fixes #5