Лена. Добавила интерфейсы моделей данных для 5 этапа

Polyclinic/PolyclinicDataModels/Models/IMedicament.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PolyclinicDataModels.Models
+{
+    public interface IMedicament : IId
+    {
+        string Name { get; }
+        string Comment { get; }
+    }
+}

Polyclinic/PolyclinicDataModels/Models/IProcedure.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PolyclinicDataModels.Models
+{
+    public interface IProcedure : IId
+    {
+        string Name { get; }
+        string Comment { get; }
+    }
+}

Polyclinic/PolyclinicDataModels/Models/IReciept.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PolyclinicDataModels.Models
+{
+    public interface IReciept : IId
+    {
+        int CountProcedures { get; set; }
+        string Comment { get; set; }
+
+    }
+}

Polyclinic/PolyclinicDataModels/Models/ISuretor.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PolyclinicDataModels.Models
+{
+    public interface ISuretor : IId
+    {
+        string FIO { get; }
+        DateTime BirthDay { get; }
+        string Password { get; }
+        string RepeatPassword { get; }
+    }
+}

Polyclinic/PolyclinicDataModels/PolyclinicDataModels.csproj

@@ -6,8 +6,4 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Folder Include="Models\" />
-  </ItemGroup>
-
 </Project>