feat(vaultwarden): add SMTP configuration options and enhance signup settings

- Introduced SMTP settings for Vaultwarden including host, port, security, and authentication details.
- Added variables for signup verification, 2FA settings, password hints, and logging options.
- Updated Vaultwarden deployment to utilize new SMTP configurations.
- Enhanced Grafana module to support dynamic dashboard and datasource provisioning.
- Added LLM proxy configuration for Open Web UI with necessary environment variables.

ansible/roles/gpu_monitoring/templates/llama_exporter.service.j2

@@ -1,35 +0,0 @@
-[Unit]
-Description=LLM Inference Metrics Exporter (llama.cpp + Ollama)
-After=network-online.target
-Wants=network-online.target
-
-[Service]
-Type=simple
-User={{ llama_exporter_user }}
-Group={{ llama_exporter_user }}
-WorkingDirectory={{ llama_exporter_install_dir }}
-Environment="LLAMA_EXPORTER_PORT={{ llama_exporter_port }}"
-Environment="LLAMA_EXPORTER_BIND=0.0.0.0"
-Environment="LLAMA_EXPORTER_INTERVAL={{ llama_exporter_scrape_interval }}"
-Environment="LLAMA_EXPORTER_TIMEOUT={{ llama_exporter_scrape_timeout }}"
-{% if llama_exporter_targets and llama_exporter_targets != "" %}
-Environment="LLAMA_TARGETS={{ llama_exporter_targets | to_json }}"
-{% endif %}
-Environment="PATH={{ llama_exporter_venv_bin }}:/usr/bin:/bin"
-ExecStart={{ llama_exporter_venv_bin }}/python3 {{ llama_exporter_script_path }}
-Restart=always
-RestartSec=10
-TimeoutStopSec=10
-StandardOutput=journal
-StandardError=journal
-SyslogIdentifier=llama_exporter
-
-# Security hardening
-ProtectSystem=strict
-ProtectHome=true
-ReadWritePaths={{ llama_exporter_install_dir }} /var/log
-NoNewPrivileges=true
-PrivateTmp=true
-
-[Install]
-WantedBy=multi-user.target

ansible/roles/gpu_monitoring/templates/prometheus.yml.j2

@@ -21,10 +21,3 @@ scrape_configs:
       - targets: ["{{ prometheus_host_gateway }}:{{ amd_exporter_port }}"]
         labels:
           datacenter: "{{ inventory_hostname }}"
-
-  - job_name: llama_exporter
-    metrics_path: /metrics
-    static_configs:
-      - targets: ["{{ prometheus_host_gateway }}:{{ llama_exporter_port }}"]
-        labels:
-          datacenter: "{{ inventory_hostname }}"