fix: extract constants from iface to iface_configuration

iface/iface.go

@@ -9,11 +9,6 @@ import (
 	"golang.zx2c4.com/wireguard/tun"
 )
 
-const (
-	defaultMTU = 1280
-	WgPort     = 51820
-)
-
 // Saves tun device object - is it required?
 var tunIface tun.Device
 

iface/iface_configuration.go

@@ -11,6 +11,7 @@ import (
 
 const (
 	defaultMTU = 1280
+	WgPort     = 51820
 )
 
 // ConfigureWithKeyGen Extends the functionality of Configure(iface string, privateKey string) by generating a new Wireguard private key