Engine interface with Wireguard specific implementation.
diff --git a/core/vpn/go.mod b/core/vpn/go.mod
new file mode 100644
index 0000000..2e00dbd
--- /dev/null
+++ b/core/vpn/go.mod
@@ -0,0 +1,9 @@
+module github.com/giolekva/pcloud/core/vpn
+
+go 1.16
+
+require (
+	github.com/tailscale/wireguard-go v0.0.0-20210120212909-7ad8a0443bd3
+	inet.af/netaddr v0.0.0-20210105212526-648fbc18a69d
+	tailscale.com v1.4.5
+)