feat(admin): Add Google AdSense Auto Ads support to theme-settings

- Add adsense group to theme-settings.json schema (v1.2.0)
- Add adsense_publisher_id and adsense_auto_ads fields
- Add AdSense card UI in ThemeSettingsFormBuilder
- Add field mappings in ThemeSettingsFieldMapper
- Add renderAdSenseAutoAds() method in ThemeSettingsRenderer
- Inject AdSense script in wp_head when configured

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

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

schemas/theme-settings.json

@@ -1,7 +1,7 @@
 {
   "component_name": "theme-settings",
-  "version": "1.1.0",
-  "description": "Configuraciones globales del tema: analytics y codigo personalizado",
+  "version": "1.2.0",
+  "description": "Configuraciones globales del tema: analytics, adsense y codigo personalizado",
   "groups": {
     "analytics": {
       "label": "Analytics",
@@ -23,9 +23,29 @@
         }
       }
     },
+    "adsense": {
+      "label": "Google AdSense",
+      "priority": 20,
+      "fields": {
+        "adsense_publisher_id": {
+          "type": "text",
+          "label": "Publisher ID",
+          "default": "",
+          "editable": true,
+          "description": "ID de publicador de AdSense (ej: ca-pub-1234567890123456)"
+        },
+        "adsense_auto_ads": {
+          "type": "boolean",
+          "label": "Activar Auto Ads",
+          "default": false,
+          "editable": true,
+          "description": "Permite que Google coloque anuncios automaticamente en las mejores ubicaciones"
+        }
+      }
+    },
     "custom_code": {
       "label": "Codigo Personalizado",
-      "priority": 20,
+      "priority": 30,
       "fields": {
         "custom_css": {
           "type": "textarea",