refactor: improve Podman installer

- Refactor Podman installer to use a more robust approach
- Improve error handling and clarify the installation/removal
- Update example usage to reflect changes

Co-authored-by: supermario <mariobassem12@gmail.com>

examples/installers/podman.vsh

@@ -4,8 +4,8 @@ import freeflowuniverse.herolib.installers.virt.podman as podman_installer
 
 mut podman := podman_installer.get()!
 
-if podman.installed() {
-	podman.destroy()!
-} else {
-	podman.install()!
-}
+// To install
+podman.install()!
+
+// To remove
+podman.destroy()!