Update paths in configuration files to use /var/lib/containers instead of /home/reudy/containers

Co-authored-by: Copilot <copilot@github.com>

README.md

@@ -3,13 +3,13 @@
 This repository now includes a small helper command named panelctl for Phase 2.
 
 Base directory:
-- /home/reudy/containers
+- /var/lib/containers
 
 Generated structure:
-- /home/reudy/containers/stacks/<app>/compose.yaml
-- /home/reudy/containers/volumes/<app>/data
-- /home/reudy/containers/routes/<app>.caddy
-- /home/reudy/containers/state/apps/<app>.env
+- /var/lib/containers/stacks/<app>/compose.yaml
+- /var/lib/containers/volumes/<app>/data
+- /var/lib/containers/routes/<app>.caddy
+- /var/lib/containers/state/apps/<app>.env
 
 Quick workflow:
 1. Create a new app definition: