fix(architecture): correction of architecture

RT.Infrastructure/Repositories/Contract/IRepository.cs

@@ -0,0 +1,15 @@
+using System.Linq.Expressions;
+using RT.Domain.Entities;
+
+namespace RT.Infrastructure.Repositories;
+
+public interface IRepository<T> where T : BaseEntity
+{
+    Task<T?> GetByIdAsync(Guid id, CancellationToken ct = default);
+    Task<IEnumerable<T>> GetAllAsync(CancellationToken ct = default);
+    Task<int> CountAsync(Expression<Func<T, bool>>? predicate = null, CancellationToken ct = default);
+    Task InsertAsync(T entity, CancellationToken ct = default);
+    Task UpdateAsync(T entity, CancellationToken ct = default);
+    Task RemoveAsync(T entity, CancellationToken ct = default);
+    Task SaveChangesAsync(CancellationToken ct = default);
+}