add single node example

Author: marconetto

examples/singlenodehello/appsetup_singlenodehello.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+[[ -f /etc/bashrc ]] && . /etc/bashrc
+
+hpcadvisor_setup() {
+    echo "main setup: $(pwd)"
+
+    set -x
+    echo "single node setup hello world"
+
+    return 0
+}
+
+hpcadvisor_run() {
+    echo "main run: $(pwd)"
+
+    echo "Hello single node task!"
+
+    return 0
+}