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/tasks/llama_exporter.yml

@@ -0,0 +1,73 @@
+---
+- name: Create llama_exporter group
+  become: true
+  ansible.builtin.group:
+    name: "{{ llama_server_exporter_user }}"
+    state: present
+    system: true
+
+- name: Create llama_exporter user
+  become: true
+  ansible.builtin.user:
+    name: "{{ llama_server_exporter_user }}"
+    group: "{{ llama_server_exporter_user }}"
+    home: "{{ llama_server_exporter_user_home }}"
+    create_home: true
+    shell: /usr/sbin/nologin
+    system: true
+
+- name: Create llama_exporter install directory
+  become: true
+  ansible.builtin.file:
+    path: "{{ item }}"
+    state: directory
+    owner: "{{ llama_server_exporter_user }}"
+    group: "{{ llama_server_exporter_user }}"
+    mode: "0755"
+  loop:
+    - "{{ llama_server_exporter_install_dir }}"
+    - "{{ llama_server_exporter_install_dir }}/logs"
+
+- name: Copy llama_exporter script
+  become: true
+  ansible.builtin.copy:
+    src: scripts/llama_exporter.py
+    dest: "{{ llama_server_exporter_script_path }}"
+    owner: "{{ llama_server_exporter_user }}"
+    group: "{{ llama_server_exporter_user }}"
+    mode: "0755"
+  notify:
+    - Restart llama_exporter
+
+- name: Create Python virtual environment
+  become: true
+  ansible.builtin.command:
+    cmd: "{{ ansible_facts['python']['executable'] }} -m venv {{ llama_server_exporter_venv_path }}"
+    creates: "{{ llama_server_exporter_venv_path }}/bin/activate"
+
+- name: Fix ownership of llama_exporter directory
+  become: true
+  ansible.builtin.file:
+    path: "{{ llama_server_exporter_install_dir }}"
+    owner: "{{ llama_server_exporter_user }}"
+    group: "{{ llama_server_exporter_user }}"
+    recurse: true
+
+- name: Generate llama_exporter systemd service
+  become: true
+  ansible.builtin.template:
+    src: llama_exporter.service.j2
+    dest: "/etc/systemd/system/{{ llama_server_exporter_service_name }}.service"
+    owner: root
+    group: root
+    mode: "0644"
+  notify:
+    - Reload systemd daemon
+    - Restart llama_exporter
+
+- name: Enable llama_exporter service
+  become: true
+  ansible.builtin.systemd:
+    name: "{{ llama_server_exporter_service_name }}"
+    enabled: true
+    state: started