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/defaults/main.yml

@@ -0,0 +1,26 @@
+llama_server_user: "llama"
+llama_server_group: "llama"
+llama_server_home: "/home/llama"
+llama_server_pubkey: ""
+llama_server_models: []
+llama_server_models_max: 1
+llama_server_image: "ghcr.io/ggml-org/llama.cpp"
+llama_server_tag: "server-vulkan"
+llama_server_extra_groups: "users,video"
+llama_server_devices: []
+llama_server_env: {}
+llama_server_port: 8080
+llama_server_preset_global: {}
+
+# Llama Exporter configuration
+llama_server_exporter_enabled: true
+llama_server_exporter_port: 9550
+llama_server_exporter_user: llama_exporter
+llama_server_exporter_user_home: "/opt/llama_exporter"
+llama_server_exporter_install_dir: "/opt/llama_exporter"
+llama_server_exporter_venv_path: "/opt/llama_exporter/.venv"
+llama_server_exporter_scrape_interval: 15
+llama_server_exporter_scrape_timeout: 5
+
+# Llama.cpp scrape targets
+llama_server_exporter_targets: []