Maintenance: split each provider in a package

- Fix VyprVPN port
- Fix missing Auth overrides

internal/models/openvpn.go

@@ -2,6 +2,7 @@ package models
 
 import (
 	"net"
+	"strconv"
 )
 
 type OpenVPNConnection struct {
@@ -15,3 +16,11 @@ func (o *OpenVPNConnection) Equal(other OpenVPNConnection) bool {
 	return o.IP.Equal(other.IP) && o.Port == other.Port && o.Protocol == other.Protocol &&
 		o.Hostname == other.Hostname
 }
+
+func (o OpenVPNConnection) RemoteLine() (line string) {
+	return "remote " + o.IP.String() + " " + strconv.Itoa(int(o.Port))
+}
+
+func (o OpenVPNConnection) ProtoLine() (line string) {
+	return "proto " + o.Protocol
+}