Update Ansible configuration and documentation to reflect new inventory structure. Migrate group_vars to inventory/group_vars/ and enhance README with updated paths for variable files, improving clarity for users.

ansible/inventory/group_vars/proxmox_hosts.yml

@@ -0,0 +1,37 @@
+---
+# Proxmox repositories
+proxmox_repo_debian_codename: trixie
+proxmox_repo_disable_enterprise: true
+proxmox_repo_disable_ceph_enterprise: true
+proxmox_repo_enable_pve_no_subscription: true
+proxmox_repo_enable_ceph_no_subscription: true
+
+# Suppress "No valid subscription" warning in UI
+proxmox_no_subscription_notice_disable: true
+
+# Public keys to install for root on each Proxmox host.
+proxmox_root_authorized_key_files:
+  - "{{ lookup('env', 'HOME') }}/.ssh/id_ed25519.pub"
+  - "{{ lookup('env', 'HOME') }}/.ssh/ansible.pub"
+
+# Package upgrade/reboot policy
+proxmox_upgrade_apt_cache_valid_time: 3600
+proxmox_upgrade_autoremove: true
+proxmox_upgrade_autoclean: true
+proxmox_upgrade_reboot_if_required: true
+proxmox_upgrade_reboot_timeout: 1800
+
+# Cluster settings
+proxmox_cluster_enabled: true
+proxmox_cluster_name: atomic-hub
+
+# Bootstrap host name from inventory (first host by default if empty)
+proxmox_cluster_master: ""
+
+# Optional explicit IP/FQDN for joining; leave empty to use ansible_host of master
+proxmox_cluster_master_ip: ""
+proxmox_cluster_force: false
+
+# Optional: use only for first cluster joins when inter-node SSH trust is not established.
+# Prefer storing with Ansible Vault if you set this.
+proxmox_cluster_master_root_password: "Hemroid8"