first commit

sql2/Domain/Course.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PaymentLogs.Domain
+{
+    internal class Course
+    {
+        public int Id { get; set; }
+        public string Name { get; set; }
+        public string Type { get; set; }
+        public int Cost { get; set; }
+        public int Duration { get; set; }
+        public int StudentsCount { get; set; }
+    }
+}