Support for setting lambda recursion confirguration

[jamesdbaker]

At the moment, I don't believe it's possible to set the Lambda recursion configuration via the module and a separate resource (aws_lambda_function_recursion_config) is needed. It would be nice if this could be configured via an additional input in the module to keep it all in one place.

My suggestion would be:

module lambda {
    ...
    recursive_loop = "Allow"
}