Add project files.

ConstructorApp.BusinessLayer/Concrete/HomeBannerManager.cs

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+using ConstructorApp.BusinessLayer.Abstract;
+using ConstructorApp.DataAccessLayer.Abstract;
+using ConstructorApp.EntityLayer.Entities;
+
+namespace ConstructorApp.BusinessLayer.Concrete
+{
+    public class HomeBannerManager : IHomeBannerService
+    {
+        private readonly IHomeBannerDal _homeBannerDal;
+
+        public HomeBannerManager(IHomeBannerDal homeBannerDal)
+        {
+            _homeBannerDal = homeBannerDal;
+        }
+
+        public void TAdd(HomeBanner entity)
+        {
+            _homeBannerDal.Add(entity);
+        }
+
+        public void TDelete(HomeBanner entity)
+        {
+            _homeBannerDal.Delete(entity);
+        }
+
+        public HomeBanner TGetByID(int id)
+        {
+            return _homeBannerDal.GetByID(id);
+        }
+
+        public List<HomeBanner> TGetListAll()
+        {
+           return _homeBannerDal.GetListAll();
+        }
+
+        public void TUpdate(HomeBanner entity)
+        {
+           _homeBannerDal.Update(entity);
+        }
+    }
+}