Update the services.AddOpenIddict() extension to automatically register the memory cache services

src/OpenIddict.Core/OpenIddict.Core.csproj

@@ -19,7 +19,7 @@
   <ItemGroup>
     <PackageReference Include="CryptoHelper.StrongName" Version="$(CryptoHelperVersion)" />
     <PackageReference Include="JetBrains.Annotations" Version="$(JetBrainsVersion)" PrivateAssets="All" />
-    <PackageReference Include="Microsoft.Extensions.Caching.Abstractions" Version="$(AspNetCoreVersion)" />
+    <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.Extensions.Options" Version="$(AspNetCoreVersion)" />

src/OpenIddict.Core/OpenIddictExtensions.cs

@@ -64,6 +64,8 @@ namespace Microsoft.Extensions.DependencyInjection
                 throw new ArgumentNullException(nameof(services));
             }
 
+            services.AddDistributedMemoryCache();
+            services.AddMemoryCache();
             services.AddOptions();
 
             // Register the OpenIddict core services in the DI container.