Add global setting form

model/setting.go

@@ -0,0 +1,14 @@
+package model
+
+import (
+	"time"
+)
+
+// GlobalSetting model
+type GlobalSetting struct {
+	EndpointAddress     string    `json:"endpoint_address"`
+	DNSServers          []string  `json:"dns_servers"`
+	MTU                 int       `json:"mtu,string"`
+	PersistentKeepalive int       `json:"persistent_keepalive,string"`
+	UpdatedAt           time.Time `json:"updated_at"`
+}