Add iWF

[longquanzheng]

What is this Python project?

Provides simple and powerful workflow-as-code solution. See example

What's the difference between this Python project and similar ones?

• Using native programming languages ( for if-else, branching, strongly typing, etc)
• Allowing reset workflow (go to any previous point)
• Searchable data(search attributes)
• Highly scalable
• Easy to use(versioning, operation, etc) See more in blog post

--

Anyone who agrees with this pull request could submit an Approve review to it.

[rom4hoh]

806474