feat: prepare-new-server playbook + role struktura

playbook prepare-new-server.yml:
- update systemu
- deploy user (UID 1000, heslo zamknuto)
- SSH klic pro deploy uzivatele
- adresarova struktura (/home/deploy/{docker,scripts,backups,logs,...})
- Docker Engine + Compose plugin (bez sudo)
- UFW firewall (22, 80, 443)
- fail2ban
- overeni docker bez sudo

Role (kazda v samostatnem adresari):
- common: update, base packages, timezone
- deploy-user: vytvoreni usera UID 1000
- ssh-keys: authorized_keys deployment
- firewall: UFW konfigurace
- docker: Docker Engine + Compose + daemon.json
- directories: /home/deploy/{docker/<sluzba>,backups,scripts,logs}

Pouziti:
  ansible-playbook -i inventory.yml playbooks/prepare-new-server.yml

roles/directories/tasks/main.yml

@@ -0,0 +1,27 @@
+---
+- name: Vytvor zakladni adresare
+  ansible.builtin.file:
+    path: "{{ item.path }}"
+    state: directory
+    owner: "{{ deploy_user }}"
+    group: "{{ deploy_user }}"
+    mode: "{{ item.mode }}"
+  loop: "{{ base_directories }}"
+
+- name: Vytvor podadresare pro Docker sluzby
+  ansible.builtin.file:
+    path: "{{ item }}"
+    state: directory
+    owner: "{{ deploy_user }}"
+    group: "{{ deploy_user }}"
+    mode: "0755"
+  loop: "{{ docker_subdirs }}"
+
+- name: Vytvor .gitkeep v prazdnych docker podadresarich
+  ansible.builtin.file:
+    path: "{{ item }}/.gitkeep"
+    state: touch
+    owner: "{{ deploy_user }}"
+    group: "{{ deploy_user }}"
+    mode: "0644"
+  loop: "{{ docker_subdirs }}"