Add the posibility to add multiple instances type when using spot

[gugaiz]

Describe the Feature

With beanstalk supporting spot instances now is possible to add an array of type of instances so beanstalk will choose which one to select based on the price.

Expected Behavior

instance_type should be type list(string)

[bober2000]

@

Describe the Feature

With beanstalk supporting spot instances now is possible to add an array of type of instances so beanstalk will choose which one to select based on the price.

Expected Behavior

instance_type should be type list(string)

Now it is string but you can use it like this

instance_type    = "t4g.medium, t4g.large, t4g.xlarge"