Clean repository: organized structure and GitOps setup

- Organized root directory structure
- Moved orphan files to proper locations
- Updated .gitignore to ignore temporary files
- Set up Gitea Runner for GitOps automation
- Fixed Tailscale access issues
- Added workflow for automated Nomad deployment

deployment/ansible/playbooks/install/install_vault.yml

@@ -0,0 +1,36 @@
+---
+# install_vault.yml
+- name: Install HashiCorp Vault
+  hosts: vault_servers
+  become: yes
+  tasks:
+    - name: Check if Vault is already installed
+      command: which vault
+      register: vault_check
+      ignore_errors: yes
+      changed_when: false
+
+    - name: Install Vault using apt
+      apt:
+        name: vault
+        state: present
+        update_cache: yes
+      when: vault_check.rc != 0
+
+    - name: Create Vault data directory
+      file:
+        path: "{{ vault_data_dir | default('/opt/nomad/data/vault/config') }}"
+        state: directory
+        owner: root
+        group: root
+        mode: '0755'
+        recurse: yes
+
+    - name: Verify Vault installation
+      command: vault --version
+      register: vault_version
+      changed_when: false
+
+    - name: Display Vault version
+      debug:
+        var: vault_version.stdout