(B) Add packages to API. Add comments to program.cs

Clinics.Backend/API/API.csproj

@@ -7,6 +7,16 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.8" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.8">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.8" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.8">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.7.0" />
   </ItemGroup>
 

Clinics.Backend/API/Program.cs

@@ -5,7 +5,7 @@ var builder = WebApplication.CreateBuilder(args);
 #region Link controllers with presentation layer
 var presentationAssembly = typeof(Presentation.AssemblyReference).Assembly;
 builder.Services.AddControllers()
-    .AddApplicationPart(assembly);
+    .AddApplicationPart(presentationAssembly);
 #endregion