Add project files.

ConstructorApp.EntityLayer/Entities/Footer.cs

@@ -0,0 +1,23 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace ConstructorApp.EntityLayer.Entities
+{
+    public class Footer
+    {
+        [Key]
+        public int FooterID { get; set; }
+        [StringLength(100)]
+        public string? LogoUrl { get; set; } // Logo görsel yolu
+        [StringLength(14)] 
+        public string? Phone { get; set; } // 0232 111 22 33
+        [StringLength(50)]
+        public string? Mail { get; set; } // info@demolink.org
+        public string? Facebook { get; set; } // Sosyal medya adresi1
+        [StringLength(100)]
+        public string? Instagram { get; set; } // Sosyal medya adresi2
+        [StringLength(100)]
+        public string? Linkedin { get; set; } // Sosyal medya adresi3
+        [StringLength(100)]
+        public string? Youtube { get; set; } // Sosyal medya adresi3
+    }
+}