Update structure

Application/Users/Handlers/CreateUserCommandHandler.cs

@@ -2,7 +2,7 @@ using Ardalis.Result;
 using Mediator;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
-using Musify.Application.Contracts.Infrastructure;
+using Musify.Application.Contracts;
 using Musify.Application.Users.Commands;
 using Musify.Application.Users.Responses;
 

Application/Users/Handlers/GetUserByIdQueryHandler.cs

@@ -1,7 +1,7 @@
 using Ardalis.Result;
 using Mediator;
 using Microsoft.EntityFrameworkCore;
-using Musify.Application.Contracts.Infrastructure;
+using Musify.Application.Contracts;
 using Musify.Application.Users.Queries;
 using Musify.Application.Users.Responses;
 

Application/Users/Handlers/GetUserByKeycloakQueryHandler.cs

@@ -1,7 +1,7 @@
 using Ardalis.Result;
 using Mediator;
 using Microsoft.EntityFrameworkCore;
-using Musify.Application.Contracts.Infrastructure;
+using Musify.Application.Contracts;
 using Musify.Application.Users.Queries;
 using Musify.Application.Users.Responses;
 

Application/Users/Handlers/GetUsersQueryHandler.cs

@@ -2,10 +2,10 @@ using Ardalis.Result;
 using Mediator;
 using Microsoft.EntityFrameworkCore;
 using Musify.Application.Pagination;
-using Musify.Application.Contracts.Infrastructure;
 using Musify.Application.Users.Queries;
 using Musify.Application.Users.Responses;
 using X.PagedList.EF;
+using Musify.Application.Contracts;
 
 namespace Musify.Application.Users.Handlers
 {