Añadido el .gitignore

.gitignore

@@ -0,0 +1,67 @@
+# Environment and secrets
+.env
+.env.*
+!.env.example
+!backend/.env.example
+backend/.env
+backend/.env.*
+
+# Python
+__pycache__/
+*.py[cod]
+*.pyo
+*.pyd
+.Python
+.venv/
+venv/
+env/
+ENV/
+pip-wheel-metadata/
+*.egg-info/
+.eggs/
+dist/
+build/
+
+# FastAPI / local runtime
+*.log
+logs/
+tmp/
+temp/
+
+# Tests and coverage
+.pytest_cache/
+.coverage
+.coverage.*
+htmlcov/
+coverage.xml
+.mypy_cache/
+.ruff_cache/
+.tox/
+
+# Docker and local database data
+docker-compose.override.yml
+postgres_data/
+pgdata/
+
+# IDE and OS files
+.idea/
+.vscode/
+*.swp
+*.swo
+.DS_Store
+Thumbs.db
+desktop.ini
+
+# Node / future frontend
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+.next/
+out/
+coverage/
+
+# Generated exports
+exports/
+*.xml.tmp