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.

ansible/playbook_gpu_monitoring.yml

@@ -0,0 +1,18 @@
+---
+- name: GPU Monitoring Stack Setup
+  hosts: gpu_monitoring
+  gather_facts: true
+  become: true
+
+  pre_tasks:
+    - name: Check that host is Fedora
+      ansible.builtin.assert:
+        that:
+          - ansible_os_family == "RedHat"
+        fail_msg: "This playbook only supports RedHat-family OS (Fedora)."
+
+  roles:
+    - role: "gpu_monitoring"
+      tags:
+        - roles
+        - roles::gpu_monitoring