Make swagger main stop being generated. Default Port 9090 (#3)

* Make swagger main stop being generated

* Update Readme

* Remove Warning

cmd/mcs/main.go

@@ -1,5 +1,3 @@
-// Code generated by go-swagger; DO NOT EDIT.
-
 // This file is part of MinIO Console Server
 // Copyright (c) 2020 MinIO, Inc.
 //
@@ -20,6 +18,7 @@
 package main
 
 import (
+	"flag"
 	"log"
 	"os"
 
@@ -29,8 +28,7 @@ import (
 	"github.com/minio/m3/mcs/restapi/operations"
 )
 
-// This file was generated by the swagger tool.
-// Make sure not to overwrite this file after you generated it because all your edits would be lost!
+var portFlag = flag.Int("port", 9090, "Port to run this service on")
 
 func main() {
 
@@ -63,8 +61,10 @@ func main() {
 		}
 		os.Exit(code)
 	}
-
+	// Parse flags
+	flag.Parse()
 	server.ConfigureAPI()
+	server.Port = *portFlag
 
 	if err := server.Serve(); err != nil {
 		log.Fatalln(err)