wireguard: add support for optional Name comment

Signed-off-by: Alejandro Mery <amery@jpi.io>

pkg/wireguard/config.go

@@ -23,12 +23,16 @@ var configTemplate = template.Must(template.New("config").Funcs(template.FuncMap
 		return strings.Join(s, sep)
 	},
 }).Parse(`[Interface]
+{{if .Interface.Name}}# Name: {{.Interface.Name}}
+{{end -}}
 Address = {{.Interface.Address}}
 PrivateKey = {{.Interface.PrivateKey}}
 ListenPort = {{.Interface.ListenPort}}
 {{- range .Peer }}
 
 [Peer]
+{{if .Name}}# Name: {{.Name}}
+{{end -}}
 PublicKey = {{.PublicKey}}
 Endpoint = {{.Endpoint}}
 AllowedIPs = {{ PrefixJoin .AllowedIPs ", "}}
@@ -64,6 +68,7 @@ func (f *Config) WriteTo(w io.Writer) (int64, error) {
 
 // InterfaceConfig represents the [Interface] section
 type InterfaceConfig struct {
+	Name       string
 	Address    netip.Addr
 	PrivateKey PrivateKey
 	ListenPort uint16
@@ -71,6 +76,7 @@ type InterfaceConfig struct {
 
 // PeerConfig represents a [Peer] section
 type PeerConfig struct {
+	Name       string
 	PublicKey  PublicKey
 	Endpoint   EndpointAddress
 	AllowedIPs []netip.Prefix