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/llama_server/templates/podman.service.j2

@@ -0,0 +1,17 @@
+[Unit]
+Description=Podman file for llama.cpp server
+After=local-fs.target network-online.target nvidia-cdi-generator.service
+
+[Service]
+Type=oneshot
+User={{ llama_server_user }}
+Group={{ llama_server_group }}
+RemainAfterExit=true
+ExecStart={{ podman_binary }} start podman-llama.cpp
+ExecStop={{ podman_binary }} stop podman-llama.cpp
+
+StandardOutput=journal
+StandardError=journal
+
+[Install]
+WantedBy=multi-user.target