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/variables.tf

@@ -0,0 +1,45 @@
+variable "persistent_folder" {
+  description = "Path for persistent data on the host"
+  type        = string
+}
+
+variable "fqdn" {
+  description = "FQDN for the service"
+  type        = string
+}
+
+variable "tag" {
+  description = "Image tag to deploy"
+  type        = string
+  default     = "latest"
+}
+
+variable "issuer" {
+  description = "The cert-manager cluster issuer"
+  type        = string
+  default     = "letsencrypt-prod"
+}
+
+variable "tls_enabled" {
+  description = "Enable TLS in ingress"
+  type        = bool
+  default     = true
+}
+
+variable "signup_enabled" {
+  description = "Allow new user signups"
+  type        = bool
+  default     = false
+}
+
+variable "admin_token" {
+  description = "Admin token for VaultWarden"
+  type        = string
+  sensitive   = true
+}
+
+variable "db_folder" {
+  description = "Path for the database folder (default: persistent_folder)"
+  type        = string
+  default     = ""
+}