ASP.NET core web api DI example (#950)

* Added example source code

* Removed unnecessary nuget package

examples/webApiDependencyInjection/Controllers/ExampleDependencyInjectionOnConstructorController.cs

@@ -0,0 +1,35 @@
+using k8s;
+using Microsoft.AspNetCore.Mvc;
+
+namespace webApiDependencyInjection.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class ExampleDependencyInjectionOnConstructorController : ControllerBase
+    {
+        private readonly IKubernetes kubernetesClient;
+
+        /// <summary>
+        /// Inject the kubernets class in the constructor.
+        /// </summary>
+        /// <param name="kubernetesClient"></param>
+        public ExampleDependencyInjectionOnConstructorController(IKubernetes kubernetesClient)
+        {
+            this.kubernetesClient = kubernetesClient;
+        }
+
+        /// <summary>
+        /// Example using the kubernetes client obtained from the constructor (this.kubernetesClient).
+        /// </summary>
+        /// <returns></returns>
+        [HttpGet()]
+        public IEnumerable<string> GetPods()
+        {
+            // Read the list of pods contained in default namespace
+            var podList = this.kubernetesClient.CoreV1.ListNamespacedPod("default");
+
+            // Return names of pods
+            return podList.Items.Select(pod => pod.Metadata.Name);
+        }
+    }
+}

examples/webApiDependencyInjection/Controllers/ExampleDependencyInjectionOnMethodController.cs

@@ -0,0 +1,25 @@
+using k8s;
+using Microsoft.AspNetCore.Mvc;
+
+namespace webApiDependencyInjection.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class ExampleDependencyInjectionOnMethodController : ControllerBase
+    {
+        /// <summary>
+        /// Example using the kubernetes client injected directly into the method ([FromServices] IKubernetes kubernetesClient).
+        /// </summary>
+        /// <param name="kubernetes"></param>
+        /// <returns></returns>
+        [HttpGet()]
+        public IEnumerable<string> GetPods([FromServices] IKubernetes kubernetesClient)
+        {
+            // Read the list of pods contained in default namespace
+            var podList = kubernetesClient.CoreV1.ListNamespacedPod("default");
+
+            // Return names of pods
+            return podList.Items.Select(pod => pod.Metadata.Name);
+        }
+    }
+}