remove hard coded port

EVCB_OCPP.WSServer/Program.cs

@@ -77,7 +77,7 @@ namespace EVCB_OCPP.WSServer
             app.UseHeaderRecordService();
             app.UseOcppWsService();
             app.MapApiServce();
-            app.Urls.Add("http://*:80");
+            //app.Urls.Add("http://*:80");
             app.Run();
             //host.Run();
         }

EVCB_OCPP.WSServer/appsettings.json

@@ -1,4 +1,11 @@
 {
+  "Kestrel": {
+    "Endpoints": {
+      "Http": {
+        "Url": "http://localhost:80"
+      }
+    }
+  },
   "WSPort": 54089,
   "WSSPort": "",
   "LocalAuthAPI": "",
@@ -18,7 +25,7 @@
       "async": true,
       "f": {
         "type": "File",
-        "keepFileOpen":  false,
+        "keepFileOpen": false,
         "fileName": "/home/logs/server/${shortdate}.log",
         "layout": "${longdate} ${uppercase:${level}} ${message}"
       },