Admin controller, Locations controller, requests to add available countries, request to get available countries

SchengenVisaApi/ApplicationLayer/DataAccessingServices/AuthServices/NeededServices/ITokenGenerator.cs

@@ -0,0 +1,9 @@
+using Domains.Users;
+
+namespace ApplicationLayer.DataAccessingServices.AuthServices.NeededServices
+{
+    public interface ITokenGenerator
+    {
+        string CreateToken(User user);
+    }
+}

SchengenVisaApi/ApplicationLayer/DataAccessingServices/AuthServices/NeededServices/IUsersRepository.cs

@@ -0,0 +1,15 @@
+using ApplicationLayer.GeneralNeededServices;
+using Domains.Users;
+
+namespace ApplicationLayer.DataAccessingServices.AuthServices.NeededServices
+{
+    /// Repository pattern for <see cref="User"/>
+    public interface IUsersRepository : IGenericRepository<User>
+    {
+        /// Find <see cref="User"/> by email
+        /// <param name="email"><see cref="User"/>'s email</param>
+        /// <param name="cancellationToken">Cancellation token</param>
+        /// <returns>User or null if not found</returns>
+        Task<User?> FindByEmailAsync(string email, CancellationToken cancellationToken);
+    }
+}