Add Server config page

Handle server ip addresses input and store
TODO: Key pair form

model/server.go

@@ -0,0 +1,25 @@
+package model
+
+import (
+	"time"
+)
+
+// Server model
+type Server struct {
+	KeyPair   *ServerKeypair
+	Interface *ServerInterface
+}
+
+// ServerKeypair model
+type ServerKeypair struct {
+	PrivateKey string    `json:"private_key"`
+	PublicKey  string    `json:"pulbic_key"`
+	UpdatedAt  time.Time `json:"updated_at"`
+}
+
+// ServerInterface model
+type ServerInterface struct {
+	Addresses  []string  `json:"addresses"`
+	ListenPort int       `json:"listen_port,string"` // ,string to get listen_port string input as int
+	UpdatedAt  time.Time `json:"updated_at"`
+}