Refactor: Organize Ansible project structure

- Reorganized Ansible project structure to follow best practices.
- Created dedicated directories: , , , , and .
- Categorized playbooks into  (host-specific) and  (service-specific).
- Moved all roles into the  directory and standardized their naming conventions.
- Relocated  to  for better variable management.
- Renamed  to  to reflect its global variable scope.
- Created  to correctly set the  to the new  directory.
- Moved  and  into the  directory.
- Added  to  providing explanations for common commands.
- Cleaned up  directories from all individual roles to centralize version control.

roles/docker_spin_up/tasks/pi-hole.yml

@@ -0,0 +1,20 @@
+- name: pi-hole
+  community.docker.docker_container:
+    name: pi-hole
+    image: pihole/pihole:2024.03.2
+    # For DHCP it is recommended to remove these ports and instead add: network_mode: "host"
+    ports:
+      - "53:53/tcp"
+      - "53:53/udp"
+      # - "8092:80/tcp"
+    env:
+      TZ: 'Europe/Prague'
+      WEBPASSWORD: "{{ password }}" 
+    # Volumes store your data between container upgrades
+    volumes:
+      - "{{ docker_homepath }}/etc-pihole:/etc/pihole"
+      - "{{ docker_homepath }}/etc-dnsmasq.d:/etc/dnsmasq.d"
+    #   https://github.com/pi-hole/docker-pi-hole#note-on-capabilities
+    restart_policy: unless-stopped
+    networks:
+      - name: http