Add a way to configure host

internal/config/load.go

@@ -15,6 +15,7 @@ type ConfigInterface interface {
 	GetRefreshEverySeconds() int
 	GetCacheTimeHours() int
 	EnableRepair() bool
+	GetHost() string
 	GetPort() string
 	GetDirectories() []string
 	MeetsConditions(directory, torrentID, torrentName string, fileNames []string) bool

internal/config/types.go

@@ -3,6 +3,7 @@ package config
 type ZurgConfig struct {
 	Version             string `yaml:"zurg"`
 	Token               string `yaml:"token"`
+	Host                string `yaml:"host"`
 	Port                string `yaml:"port"`
 	NumOfWorkers        int    `yaml:"concurrent_workers"`
 	RefreshEverySeconds int    `yaml:"check_for_changes_every_secs"`
@@ -17,6 +18,13 @@ func (z *ZurgConfig) GetToken() string {
 	return z.Token
 }
 
+func (z *ZurgConfig) GetHost() string {
+	if z.Host == "" {
+		return "[::]"
+	}
+	return z.Host
+}
+
 func (z *ZurgConfig) GetPort() string {
 	if z.Port == "" {
 		return "9999"