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