* Added EdiUser Entity and DTO

* Added LoginService to handle login and user creation
* Extended DbContext
* Extended Mapper

SytelineSaAppEfDataModel/Entities/EdiUser.cs

@@ -0,0 +1,9 @@
+namespace SytelineSaAppEfDataModel.Entities;
+
+public class EdiUser
+{
+    public int ID { get; set; }
+    public string Login { get; set; }
+    public string Password { get; set; }
+    public DateTime CreatedDate { get; set; }
+}