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>

Admin/ThemeSettings/Infrastructure/FieldMapping/ThemeSettingsFieldMapper.php

@@ -28,6 +28,10 @@ final class ThemeSettingsFieldMapper implements FieldMapperInterface
             'themeSettingsGaTrackingId' => ['group' => 'analytics', 'attribute' => 'ga_tracking_id'],
             'themeSettingsGaAnonymizeIp' => ['group' => 'analytics', 'attribute' => 'ga_anonymize_ip'],
 
+            // AdSense
+            'themeSettingsAdsensePublisherId' => ['group' => 'adsense', 'attribute' => 'adsense_publisher_id'],
+            'themeSettingsAdsenseAutoAds' => ['group' => 'adsense', 'attribute' => 'adsense_auto_ads'],
+
             // Custom Code
             'themeSettingsCustomCss' => ['group' => 'custom_code', 'attribute' => 'custom_css'],
             'themeSettingsCustomJsHeader' => ['group' => 'custom_code', 'attribute' => 'custom_js_header'],