Added Form Authenticator

Includes the methods needed to verify the user inputs and to validate that they are correct.

Controllers/FormAuthenticator/FormAuthenticator.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace EFB.Controllers.FormAuthenticator
+{
+    public static class FormAuthenticator
+    {
+        
+        public static bool ValidateEMail(string EMail){
+            if (EMail.Contains("@") && EMail.Contains(".") && !EMail.Contains(" "))
+            {
+                if (EMail.Count(x => x == '@') == 1)
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+
+    }
+}