Add type hints to AutoML Class

[DanielR59]

It would be usefull to add typing hints to automl.py file for linting help at time of scripting, I could do it.

[pplonski]

@DanielR59 would be fantastic!

[pplonski]

Changes will go to 0.11.2. Hope to do a release this week.

Thank you @DanielR59!