fix(graph): add missing export (#1089)

fix(graph): add missing export

Author: krokoko

apidocs/@cdklabs/namespaces/bedrock/README.md

@@ -68,6 +68,8 @@
 - [DataSourceBase](classes/DataSourceBase.md)
 - [DataSourceNew](classes/DataSourceNew.md)
 - [DefaultPromptRouterIdentifier](classes/DefaultPromptRouterIdentifier.md)
+- [GraphKnowledgeBase](classes/GraphKnowledgeBase.md)
+- [GraphKnowledgeBaseBase](classes/GraphKnowledgeBaseBase.md)
 - [Guardrail](classes/Guardrail.md)
 - [GuardrailBase](classes/GuardrailBase.md)
 - [InferenceProfileBase](classes/InferenceProfileBase.md)
@@ -127,12 +129,15 @@
 - [DataSourceAssociationProps](interfaces/DataSourceAssociationProps.md)
 - [FoundationModelContextEnrichmentProps](interfaces/FoundationModelContextEnrichmentProps.md)
 - [FoundationModelParsingStategyProps](interfaces/FoundationModelParsingStategyProps.md)
+- [GraphKnowledgeBaseAttributes](interfaces/GraphKnowledgeBaseAttributes.md)
+- [GraphKnowledgeBaseProps](interfaces/GraphKnowledgeBaseProps.md)
 - [GuardrailAttributes](interfaces/GuardrailAttributes.md)
 - [GuardrailProps](interfaces/GuardrailProps.md)
 - [HierarchicalChunkingProps](interfaces/HierarchicalChunkingProps.md)
 - [IAgent](interfaces/IAgent.md)
 - [IAgentAlias](interfaces/IAgentAlias.md)
 - [IDataSource](interfaces/IDataSource.md)
+- [IGraphKnowledgeBase](interfaces/IGraphKnowledgeBase.md)
 - [IGuardrail](interfaces/IGuardrail.md)
 - [IInferenceProfile](interfaces/IInferenceProfile.md)
 - [IInvokable](interfaces/IInvokable.md)
@@ -165,6 +170,7 @@
 - [SupplementalDataStorageS3Config](interfaces/SupplementalDataStorageS3Config.md)
 - [TextPromptVariantProps](interfaces/TextPromptVariantProps.md)
 - [ToolConfiguration](interfaces/ToolConfiguration.md)
+- [VectorFieldMapping](interfaces/VectorFieldMapping.md)
 - [VectorKnowledgeBaseAttributes](interfaces/VectorKnowledgeBaseAttributes.md)
 - [VectorKnowledgeBaseProps](interfaces/VectorKnowledgeBaseProps.md)
 - [WebCrawlerDataSourceAssociationProps](interfaces/WebCrawlerDataSourceAssociationProps.md)