Initial commit: Python script for summarizing "El Principe"

Added summarize_el_principe.py script with:
- Text processing and chunking functionality
- OpenAI API integration for summarization
- JSON chunk summaries storage
- PDF report generation
- Configuration management via .env file

Includes:
- Source text "el principe.txt"
- Generated summary "resumen_el_principe.md"
- PDF output "resumen_el_principe.pdf"
- Chunk summaries "chunk_summaries.json"

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,44 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# Virtual Environment
+.venv/
+venv/
+ENV/
+
+# Environment variables
+.env
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Large files (optional - comment out if you want to track large files)
+# *.txt
+# *.pdf
+# *.json