feat: funciones Python para core, cybersecurity, datascience y finance

Agrega funciones Python reutilizables organizadas por dominio:
- core: composicion funcional (pipe, compose, map, filter, reduce, etc.)
- cybersecurity: analisis de amenazas y puertos
- datascience: estadisticas y deteccion de outliers
- finance: indicadores tecnicos y analisis financiero

python/functions/core/compose.md

@@ -0,0 +1,33 @@
+---
+name: compose
+kind: function
+lang: py
+domain: core
+version: "1.0.0"
+purity: pure
+signature: "def compose(*fns) -> callable"
+description: "Compone funciones de derecha a izquierda. compose(f, g)(x) == f(g(x))."
+tags: [functional, compose, composition, python]
+uses_functions: []
+uses_types: []
+returns: []
+returns_optional: false
+error_type: ""
+imports: []
+tested: false
+tests: []
+test_file_path: ""
+file_path: "python/functions/core/core.py"
+---
+
+## Ejemplo
+
+```python
+double_then_str = compose(str, lambda n: n * 2)
+result = double_then_str(5)
+# "10"
+```
+
+## Notas
+
+Funcion pura. Composicion matematica: la ultima funcion se aplica primero. Inverso de pipe.