Umbraco 11: allow 3D images

Startup.cs | How to add 3D Images in Umbraco 11 | (.glb))

            // Set up custom content types -associating file extension to MIME type
            var provider = new FileExtensionContentTypeProvider();
            // Add new mappings
            provider.Mappings.Add(".glb", "model/gltf-binary");
            provider.Mappings.Add(".gltf", "model/gltf+json");

            app.UseStaticFiles(new StaticFileOptions
            {
                ContentTypeProvider = provider
            });