Set Up WireGuard VPN on Debian Proposed Changes

[jeremiah]

Link: https://www.linode.com/docs/guides/set-up-wireguard-vpn-on-debian/

Issue

Debian 11 is the current stable version of Debian.

Suggested Fix

Documentation should show the current stable version of Debian and instruct users to install just 'wireguard' directly from the Debian repos.