feat: Add heropods library to plbook

- Import heropods library
- Play heropods library in plbook

examples/virt/heropods/demo.heroscript

@@ -0,0 +1,57 @@
+#!/usr/bin/env hero
+
+// HeroPods Heroscript Demo
+// This demonstrates using heropods functionality through pure heroscript
+// Execute with: hero examples/virt/heropods/demo.heroscript
+
+// Configure the heropods instance
+!!heropods.configure
+    name:'demo'
+    reset:false
+    use_podman:true
+
+// Create a new Alpine container using podman to pull the image
+!!heropods.container_new
+    name:'demo_container'
+    image:'custom'
+    custom_image_name:'alpine_3_20'
+    docker_url:'docker.io/library/alpine:3.20'
+
+// Start the container
+!!heropods.container_start
+    name:'demo_container'
+
+// Execute some commands in the container
+!!heropods.container_exec
+    name:'demo_container'
+    cmd:'uname -a'
+    stdout:true
+
+!!heropods.container_exec
+    name:'demo_container'
+    cmd:'cat /etc/os-release'
+    stdout:true
+
+!!heropods.container_exec
+    name:'demo_container'
+    cmd:'ls /bin'
+    stdout:true
+
+!!heropods.container_exec
+    name:'demo_container'
+    cmd:'pwd'
+    stdout:true
+
+!!heropods.container_exec
+    name:'demo_container'
+    cmd:'whoami'
+    stdout:true
+
+// Stop the container
+!!heropods.container_stop
+    name:'demo_container'
+
+// Delete the container
+!!heropods.container_delete
+    name:'demo_container'
+