* Add editor fold sections
* Remove trailing whitespace
* Make the repo compliant with REUSE Specification v3.0
Closes: #71
Email addresses have all been removed from this commit as requested by
githubixx.
* Use common namespace "wireguard" for role facts
* Fix typo
* Explicitly state that GPL-3.0-or-later applies
Closes: #72
Those variables are directly in the namespace. Using the long form is
uncommon. A case could have been made if the later section of the config
(which uses `hostvars[host]`) has similar semantics but that is not the
case as those are peer sections.