first step of allowing skipping of moderations

Closes #3510599

modules/ai_search/config/schema/search_api_ai_search.backend.schema.yml

@@ -50,6 +50,9 @@ plugin.plugin_configuration.search_api_backend.search_api_ai_search:
         contextual_content_max_percentage:
           type: string
           label: 'Maximum percentage of contextual content'
+        skip_moderation:
+          type: boolean
+          label: 'Whether to skip moderation'
     embedding_strategy_details:
       type: string
       label: 'Additional details for the embedding strategy'