docs(aws-apigateway-dynamodb): add resourceName documentation

source/patterns/@aws-solutions-constructs/aws-apigateway-dynamodb/README.md

@@ -65,6 +65,7 @@ new ApiGatewayToDynamoDB(this, "test-api-gateway-dynamodb-default", new ApiGatew
 |dynamoTableProps?|[`dynamodb.TableProps`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_dynamodb.TableProps.html)|Optional user provided props to override the default props for DynamoDB Table.|
 |existingTableObj?|[`dynamodb.Table`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_dynamodb.Table.html)|Existing instance of DynamoDB table object, providing both this and `dynamoTableProps` will cause an error.|
 |apiGatewayProps?|[`api.RestApiProps`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_apigateway.RestApiProps.html)|Optional user-provided props to override the default props for the API Gateway.|
+|resourceName?|`string`|Optional name of the resource on the API Gateway. Defaults to the table's partitionKeyName|
 |allowCreateOperation?|`boolean`|Whether to deploy an API Gateway Method for POST HTTP operations on the DynamoDB table (i.e. dynamodb:PutItem).|
 |createRequestTemplate?|`string`|API Gateway Request Template for the create method for the default `application/json` content-type. This property is required if the `allowCreateOperation` property is set to true.|
 |additionalCreateRequestTemplates?|`{ [contentType: string]: string; }`|Optional Create Request Templates for content-types other than `application/json`. Use the `createRequestTemplate` property to set the request template for the `application/json` content-type. This property can only be specified if the `allowCreateOperation` property is set to true.|