Added first app template

backend/login-counter/app.Configuration/APIVersionSettings.cs

@@ -0,0 +1,15 @@
+using System;
+
+namespace app.Configuration
+{
+    public class APIVersionSettings
+    {
+        public string Major { get; set; }
+        public string Minor { get; set; }
+        public string Micro { get; set; }
+
+        public override string ToString() {
+            return $"{this.Major}.{this.Minor}.{this.Micro}";
+        }
+    }
+}