Initilize widget setting without starting its host

Hyperbar.Widget/WidgetService.cs

@@ -0,0 +1,27 @@
+using Microsoft.Extensions.Hosting;
+
+namespace Hyperbar.Widget;
+
+public class WidgetService : 
+    IHostedService
+{
+    private readonly IEnumerable<IInitialization> initializers;
+
+    public WidgetService(IEnumerable<IInitialization> initializers)
+    {
+        this.initializers = initializers;
+    }
+
+    public async Task StartAsync(CancellationToken cancellationToken)
+    {
+        foreach (IInitialization initializer in initializers)
+        {
+            await initializer.InitializeAsync();
+        }
+    }
+
+    public Task StopAsync(CancellationToken cancellationToken)
+    {
+        return Task.CompletedTask;
+    }
+}