Add GPU monitoring services and configurations

- Create systemd service templates for llama_exporter, nvidia_exporter, and podman.
- Add Prometheus configuration template for GPU metrics scraping.
- Introduce variables for GPU monitoring role in main.yml.
- Implement tasks for syncing llama models, including user setup and package installation.
- Update podman tasks to ensure proper sudo access and lingering for the podman user.
- Modify inventory to include gpu_monitoring group.
- Add Terraform modules for deploying Vaultwarden, including ingress and service configurations.
- Create Grafana dashboard for real-time GPU monitoring metrics.
- Update secrets and environment files to include Vaultwarden admin token.

terraform/modules/apps/vaultwarden/config.tf

@@ -0,0 +1,6 @@
+locals {
+  app_folder = var.persistent_folder
+  app_version = var.tag
+  app_fqdn    = var.fqdn
+  db_path     = var.db_folder != "" ? var.db_folder : local.app_folder
+}