fix: add admin surname (#662)

Author: semrosin

HwProj.AuthService/HwProj.AuthService.API/RoleInitializer.cs

@@ -38,6 +38,7 @@ public static async Task InitializeAsync(UserManager<User> userManager, RoleMana
                 var admin = new User {
                     Email = email,
                     Name = "Admin",
+                    Surname = "Adminov",
                     UserName = "Admin"
                 };