feat(theme-settings): agregar configuracion de ancho del contenedor

- Nuevo grupo 'Layout y Contenedor' en theme-settings
- Opciones: 1140px, 1200px, 1320px (default), 1400px, 100%
- CSS dinamico aplicado via ThemeSettingsRenderer
- Corregir selectores de hero en Rail Ads (.hero-section, .featured-image-container)
- Agregar setTimeout para esperar carga de DOM
- Aumentar gap de separacion a 30px
- Subir maxTop al 40% del viewport

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

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

Schemas/theme-settings.json

@@ -1,8 +1,41 @@
 {
   "component_name": "theme-settings",
-  "version": "1.3.0",
-  "description": "Configuraciones globales del tema: codigo personalizado",
+  "version": "1.4.0",
+  "description": "Configuraciones globales del tema: layout y codigo personalizado",
   "groups": {
+    "layout": {
+      "label": "Layout y Contenedor",
+      "priority": 5,
+      "fields": {
+        "container_max_width": {
+          "type": "select",
+          "label": "Ancho maximo del contenedor principal",
+          "default": "1320",
+          "editable": true,
+          "options": {
+            "1140": "1140px (Bootstrap md)",
+            "1200": "1200px (Compacto)",
+            "1320": "1320px (Bootstrap xxl - Default)",
+            "1400": "1400px (Amplio)",
+            "100%": "100% (Fluido)"
+          },
+          "description": "Ancho maximo del .container principal. Valores menores dejan mas espacio para Rail Ads"
+        },
+        "content_column_width": {
+          "type": "select",
+          "label": "Ancho columna de contenido",
+          "default": "col-lg-9",
+          "editable": true,
+          "options": {
+            "col-lg-8": "8 columnas (66.67%)",
+            "col-lg-9": "9 columnas (75% - Default)",
+            "col-lg-10": "10 columnas (83.33%)",
+            "col-lg-12": "12 columnas (100% sin sidebar)"
+          },
+          "description": "Proporcion Bootstrap de la columna principal vs sidebar"
+        }
+      }
+    },
     "custom_code": {
       "label": "Codigo Personalizado",
       "priority": 10,