Add example WireGuard server and client configs

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

wireguard/server.conf

@@ -0,0 +1,11 @@
+[Interface]
+PrivateKey = sFQmh6nRt3MrZc0v4KHNMH16ngj4ndgmdGKlXZ5uG3k=
+Address = 192.168.200.1/24
+ListenPort = 51820
+
+# sudo wg set wg0 peer MvdYtQy6ran5wrKt4OMUiDqYQERg9/JaLZ89LsFTGg8= allowed-ips 192.168.200.2/32
+# sudo systemctl enable wg-quick@wg0.service
+# sudo nft add table ip nat
+# sudo nft -- add chain ip nat POSTROUTING { type nat hook postrouting priority srcnat \; }
+# sudo nft add rule ip nat POSTROUTING ip saddr 192.168.200.0/24 masquerade
+# sudo sysctl net.ipv4.ip_forward=1