wip: Kube-rs demo

harmony-rs/demo/kube-rs/src/main.rs

@@ -0,0 +1,8 @@
+use kube::Client;
+
+#[tokio::main]
+async fn main() {
+    let client = Client::try_default().await.expect("Should instanciate client from defaults");
+    println!("apiserver_version {:?}", client.apiserver_version());
+    println!("Hello world");
+}