Log startup time

Jellyfin.Server/Program.cs

@@ -84,6 +84,8 @@ namespace Jellyfin.Server
 
         private static async Task StartApp(StartupOptions options)
         {
+            var stopWatch = new Stopwatch();
+            stopWatch.Start();
             ServerApplicationPaths appPaths = CreateApplicationPaths(options);
 
             // $JELLYFIN_LOG_DIR needs to be set for the logger configuration manager
@@ -168,6 +170,10 @@ namespace Jellyfin.Server
 
                 await appHost.RunStartupTasksAsync().ConfigureAwait(false);
 
+                stopWatch.Stop();
+
+                _logger.LogInformation("Startup complete {Time:g}", stopWatch.Elapsed);
+
                 // Block main thread until shutdown
                 await Task.Delay(-1, _tokenSource.Token).ConfigureAwait(false);
             }