Add project files.

ConstructorApp.EntityLayer/Entities/CompanyInfo.cs

@@ -0,0 +1,19 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace ConstructorApp.EntityLayer.Entities
+{
+    public class CompanyInfo
+    {
+        [Key]
+        public int CompanyInfoID { get; set; }
+        [StringLength(3)]
+        [Required]
+        public string? Value { get; set; } // 7
+        [StringLength(20)]
+        [Required]
+        public string? Title { get; set; } // YEARS
+        [StringLength(100)]
+        [Required]
+        public string? SubTitle { get; set; } // We have been working in the industry since 2011.
+    }
+}