resolving PR comments

models/structs.go

@@ -262,6 +262,7 @@ type JoinData struct {
 	Key  string `json:"key" yaml:"key"`
 }
 
+// StunServer - struct to hold data required for using stun server
 type StunServer struct {
 	Domain string `json:"domain" yaml:"domain"`
 	Port   int    `json:"port" yaml:"port"`

servercfg/serverconf.go

@@ -645,6 +645,7 @@ func parseStunList(stunString string) ([]models.StunServer, error) {
 		return stunServers, errors.New("no stun servers provided")
 	}
 	for _, stun := range stuns {
+		stun = strings.Trim(stun, " ")
 		stunInfo := strings.Split(stun, ":")
 		if len(stunInfo) != 2 {
 			continue