Update Supermarket.csproj

json serializer added

Author: math2018avan

Supermarket/Supermarket.csproj

@@ -26,6 +26,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Versioning.ApiExplorer" Version="3.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.Razor.Design" Version="2.2.0" PrivateAssets="All" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.2.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
     <PackageReference Include="Serilog.AspNetCore" Version="2.1.1" />
     <PackageReference Include="Serilog.Settings.Configuration" Version="3.0.1" />
     <PackageReference Include="Serilog.Sinks.RollingFile" Version="3.3.0" />