feat: Add basic heropods container example

- Initialize `heropods` factory using Podman
- Create, start, and stop a custom `alpine` container
- Execute a command within the container
- Add debug log for container command execution

examples/virt/heropods/runcommands.vsh

@@ -0,0 +1,19 @@
+#!/usr/bin/env -S v -n -w -cg -gc none  -cc tcc -d use_openssl -enable-globals run
+
+import freeflowuniverse.herolib.virt.heropods
+
+mut factory := heropods.new(
+	reset:      false
+	use_podman: true
+) or { panic('Failed to init ContainerFactory: ${err}') }
+
+mut container := factory.new(
+	name:              'myalpine'
+	image:             .custom
+	custom_image_name: 'alpine_3_20'
+	docker_url:        'docker.io/library/alpine:3.20'
+)!
+
+container.start()!
+container.exec(cmd: 'ls')!
+container.stop()!