added application builder extensions

src/Infrastructure/Extensions/ApplicationBuilderExtension.cs

@@ -0,0 +1,23 @@
+using Asp.Versioning.ApiExplorer;
+using Infrastructure.Seed;
+using Microsoft.AspNetCore.Builder;
+
+namespace Infrastructure.Extensions;
+
+public static class ApplicationBuilderExtension
+{
+    public static void UseDefaultSwaggerUI(this IApplicationBuilder app)
+    {
+        ArgumentNullException.ThrowIfNull(app);
+        var apiVersionDescriptionProvider =
+            app.ApplicationServices.GetRequiredService<IApiVersionDescriptionProvider>();
+        app.UseSwaggerUI(options =>
+        {
+            foreach (var description in apiVersionDescriptionProvider.ApiVersionDescriptions)
+            {
+                options.SwaggerEndpoint($"/swagger/{description.GroupName}/swagger.json",
+                    description.GroupName.ToUpperInvariant());
+            }
+        });
+    }
+}