report geoip separately, fix server creation & deletion bugs (#14)

* new geoip method

* report geoip separately, fix server creation & deletion bugs

* fix struct tag

* fix write name

* remove deleteion list

* remove rpc realip header

* Revert "remove rpc realip header"

This reverts commit 8a5f86cf2d7df87f28cfa2a3b3430f449dd6ed73.

cmd/dashboard/controller/ws.go

@@ -109,14 +109,12 @@ func getServerStat(c *gin.Context, withPublicNote bool) ([]byte, error) {
 		var servers []model.StreamServer
 		for i := 0; i < len(serverList); i++ {
 			server := serverList[i]
-			host := *server.Host
-			host.IP = ""
 			servers = append(servers, model.StreamServer{
 				ID:           server.ID,
 				Name:         server.Name,
 				PublicNote:   utils.IfOr(withPublicNote, server.PublicNote, ""),
 				DisplayIndex: server.DisplayIndex,
-				Host:         &host,
+				Host:         server.Host,
 				State:        server.State,
 				LastActive:   server.LastActive,
 			})