Add document company.

Cicm.Database/Models/DocumentCompany.cs

@@ -0,0 +1,13 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Cicm.Database.Models
+{
+    public class DocumentCompany : BaseModel<int>
+    {
+        [Required]
+        public string Name { get;    set; }
+        public int? CompanyId { get; set; }
+
+        public virtual Company Company { get; set; }
+    }
+}