Console example of OpenTelemetry tracing (#944)

* Added DI container initialization

* Added httpclient service creation

* Improved minimal example of OpenTelemetry console

* Update Program.cs

* Removed TargetFramework from .csproj

examples/openTelemetryConsole/Program.cs

@@ -0,0 +1,36 @@
+using k8s;
+using OpenTelemetry;
+using OpenTelemetry.Resources;
+using OpenTelemetry.Trace;
+
+var serviceName = "MyCompany.MyProduct.MyService";
+var serviceVersion = "1.0.0";
+
+// Create the OpenTelemetry TraceProvide with HttpClient instrumentation enabled
+// NOTE: for this example telemetry will be exported to console
+using var tracerProvider = Sdk.CreateTracerProviderBuilder()
+    .AddSource(serviceName)
+    .SetResourceBuilder(ResourceBuilder.CreateDefault().AddService(serviceName: serviceName, serviceVersion: serviceVersion))
+    .AddHttpClientInstrumentation()
+    .AddConsoleExporter()
+    .Build();
+
+// Load kubernetes configuration
+var config = KubernetesClientConfiguration.BuildDefaultConfig();
+
+// Create an istance of Kubernetes client
+IKubernetes client = new Kubernetes(config);
+
+// Read the list of pods contained in default namespace
+var list = client.CoreV1.ListNamespacedPod("default");
+
+// Print the name of pods 
+foreach (var item in list.Items)
+{
+    Console.WriteLine(item.Metadata.Name);
+}
+// Or empty if there are no pods
+if (list.Items.Count == 0)
+{
+    Console.WriteLine("Empty!");
+}

examples/openTelemetryConsole/openTelemetryConsole.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="OpenTelemetry" Version="1.3.0" />
+        <PackageReference Include="OpenTelemetry.Exporter.Console" Version="1.3.0" />
+        <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.0.0-rc9.4" />
+    </ItemGroup>
+    
+</Project>