Pull Proxmox LXC app configs via SSH and document all CTs.

Add pull-lxc-from-proxmox.py using Proxmox API + pct exec for running
containers (vaultwarden, linkwarden, paymenter, NPM, etc). Stub apps for
stopped LXCs with proxmox.meta.yaml and updated lxc-inventory with live IPs.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/vaultwarden/config/docker-compose.yml

@@ -0,0 +1,13 @@
+bake_env.sh
+bake.sh
+docker-bake.hcl
+Dockerfile.alpine
+Dockerfile.debian
+Dockerfile.j2
+DockerSettings.yaml
+healthcheck.sh
+Makefile
+podman-bake.sh
+README.md
+render_template
+start.sh