refactor: move Analytics from ThemeSettings to AdsensePlacement

- Remove Analytics and AdSense tabs from theme-settings component
- Add Analytics group to adsense-placement component
- Add roi_enqueue_analytics_script() for GA4/UA support
- Clean up ThemeSettings to only handle custom code (CSS/JS)
- Update FormBuilders and FieldMappers accordingly

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

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

Schemas/theme-settings.json

@@ -1,51 +1,11 @@
 {
   "component_name": "theme-settings",
-  "version": "1.2.0",
-  "description": "Configuraciones globales del tema: analytics, adsense y codigo personalizado",
+  "version": "1.3.0",
+  "description": "Configuraciones globales del tema: codigo personalizado",
   "groups": {
-    "analytics": {
-      "label": "Analytics",
-      "priority": 10,
-      "fields": {
-        "ga_tracking_id": {
-          "type": "text",
-          "label": "Google Analytics ID",
-          "default": "",
-          "editable": true,
-          "description": "ID de seguimiento de Google Analytics (ej: G-XXXXXXXXXX o UA-XXXXXXXX-X)"
-        },
-        "ga_anonymize_ip": {
-          "type": "boolean",
-          "label": "Anonimizar IP",
-          "default": true,
-          "editable": true,
-          "description": "Anonimiza las direcciones IP de los visitantes (recomendado para GDPR)"
-        }
-      }
-    },
-    "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": 30,
+      "priority": 10,
       "fields": {
         "custom_css": {
           "type": "textarea",