Add Atlas media and storage services [Phase 1] (#9)

* Add Atlas media and storage services

* Document Atlas backend phase one and WireGuard deployment

* Enable Atlas NAS management and document bootstrap workflow

* Harden Atlas network, SSH, firewall, and sharing

* Rotate Ansible Vault secrets

* Allow configurable Aegis SSH users and authorized keys

* Manage Aegis SSH authorized key fragments

* Manage SSH authorized key fragments for infrastructure hosts

* Harden Rocky storage and sharing configuration

* Verify WireGuard handshakes and restore Podman networking

ansible/inventory/group_vars/server.yml

@@ -62,14 +62,6 @@ server_directories:
     owner: root
     group: root
     mode: "0755"
-  - path: /opt/navidrome/data
-    owner: "{{ server_username }}"
-    group: "{{ server_user_group }}"
-    mode: "0755"
-  - path: /opt/music
-    owner: "{{ server_username }}"
-    group: "{{ server_user_group }}"
-    mode: "0755"
   - path: /opt/npm/data
     owner: root
     group: root
@@ -78,10 +70,6 @@ server_directories:
     owner: root
     group: root
     mode: "0755"
-  - path: /opt/postgres/data
-    owner: root
-    group: root
-    mode: "0755"
   - path: /opt/gitea/data
     owner: root
     group: root
@@ -107,3 +95,5 @@ server_sshd_settings:
 
 server_sshd_allow_users:
   - "{{ server_username }}"
+server_ssh_authorized_keys: []
+server_ssh_authorized_key_directory: "{{ server_user_home }}/.ssh/authorized_keys.d"