title: Unable to find DiscoveryClient for IdentityServer4
body: <p>Trying to access discovery client for acceising other endpoints anf following with,
  <a href="http://docs.identityserver.io/en/aspnetcore1/endpoints/discovery.html" rel="noreferrer">http://docs.identityserver.io/en/aspnetcore1/endpoints/discovery.html</a></p>
  
  <p>Installed IdentityModel nuget package in .Net 7.5 MVC application. But unable to find the <code>DiscoveryClient</code>.</p>
  
  <pre><code>var discoveryClient = new DiscoveryClient("https://demo.identityserver.io");
  var doc = await discoveryClient.GetAsync();
  </code></pre>
  
  <p>Is there something change in <code>Identitymodel</code> for <code>IdentityServer4</code></p>
  
  <p>Also, unable to find parameter for "Tokenclient".</p>