Add tagger section to README per 1272

[x1101]

Adding how-to on release tagger per #1272

Happy for feedback on language usage, tone, etc as well as technical details.

[ansible-documentation-bot[bot]]

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[oraNod]

Hey @x1101 welcome! Thanks for the PR. :rocket:

[x1101]

At this point I think I've addressed all the comments. I'd appreciate another look at this and any more feedback.

Big thanks to @oraNod for collaboration and helping me come up to speed.

[gotmax23]

I'll give this a quick review. Thanks

[samccann]

Thanks @x1101 for the Ansible docs fix!