Add project files.

ConstructorApp.EntityLayer/Entities/HomeBanner.cs

@@ -0,0 +1,19 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace ConstructorApp.EntityLayer.Entities
+{
+    public class HomeBanner
+    {
+        [Key]
+        public int HomeBannerID { get; set; }
+        [StringLength(100)]
+        [Required]
+        public string? Title { get; set; } // Designing & building
+        [StringLength(100)]
+        [Required]
+        public string? SubTitle { get; set; } // Modern energy efficient houses from 150 sq. m.
+        [StringLength(100)]
+        [Required]
+        public string? LogoUrl { get; set; } // Logo görsel yolu
+    }
+}