Worker setup for OTel

Program.cs

var serviceName = "Worker"; 

services.AddOpenTelemetryTracing((builder) =>
{
    builder.AddSource(serviceName)
    .SetResourceBuilder(ResourceBuilder.CreateDefault().AddService(serviceName))
    .AddHttpClientInstrumentation()    
    .AddZipkinExporter(zipkinOptions =>
    {
        zipkinOptions.Endpoint = new Uri("http://localhost:9411/api/v2/spans");
    }).AddConsoleExporter();
});