Constructs a DynamoDBContext object with a default AmazonDynamoDBClient
            client and a default DynamoDBContextConfig object for configuration.
            
 Declaration Syntax
 Declaration Syntax| C# | 
public DynamoDBContext( RegionEndpoint region )
 Parameters
 Parameters- region (RegionEndpoint)
- The region to configure the AmazonDynamoDBClient to use.