Constructs a DynamoDBContext object with the specified DynamoDB client
            and configuration.
            
 Declaration Syntax
 Declaration Syntax| C# | 
public DynamoDBContext( AmazonDynamoDB client, DynamoDBContextConfig config )
 Parameters
 Parameters- client (AmazonDynamoDB)
- Client to use for making calls
- config (DynamoDBContextConfig)
- Configuration to use