Expose archinfo enum - Githubissues

Checklist

[ ] Closing issues: #issue
[X] Mark this if you consider it ready to merge
[ ] I've added tests (optional)
[X] I wrote some documentation: See https://github.com/radareorg/radare2-book/pull/327

Description

This exposes R.R_ANAL_ARCHINFO_* to Python anal plugins that use the archinfo callback.

radareorg / radare2-rlang