Queue, stack and delay, are all quite short, but would need some introduction to the concepts.
Hardware is all the CV and trigger stuff.
Ansible has a lot of OPs, but they're all quite straightforward.
Let me know and I'll post a list.
I don't have much time to do any of this for the next week or so, I may not have time to merge anything either. So if you wanted to take dibs on more than one you could.