Add project files.

ConstructorApp.DataAccessLayer/Abstract/IProjectDal.cs

@@ -0,0 +1,13 @@
+using ConstructorApp.EntityLayer.Entities;
+
+namespace ConstructorApp.DataAccessLayer.Abstract
+{
+    public interface IProjectDal : IGenericDal<Project>
+    {
+        void ProjectStatusActive(int id);
+        void rojectStatusPassive(int id);
+        int CountAll();
+        Project GetBySlug(string slug);
+        Project GetProjectWithImagesBySlug(string slug);
+    }
+}