Home Assistant Community Add-on: AdGuard Home

Please see the full repo on this link

Special thanks Gieljnssns for his repo
It’s something like this (In Gieljnssns repo):
So, you can easily to enable/ disable access to Facebook by switching on/ off the Facebook button created as the below example.

input_boolean:
  allowfacebook:
    name: Allow Facebook
    # initial: on
    icon: mdi:facebook


automation:
  - id: enable_facebook
    alias: Enable Facebook
    hide_entity: true
    initial_state: 'on'
    trigger:
      platform: state
      entity_id: input_boolean.allowfacebook
      to: 'on'
    action:
    - service: adguard.remove_url
      data:
        url: https://raw.githubusercontent.com/gieljnssns/Block_facebook_dns/master/adguard-facebook.txt

  - id: disable_facebook
    alias: Disable Facebook
    hide_entity: true
    initial_state: 'on'
    trigger:
      platform: state
      entity_id: input_boolean.allowfacebook
      to: 'off'
    action:
    - service: adguard.add_url
      data:
        url: https://raw.githubusercontent.com/gieljnssns/Block_facebook_dns/master/adguard-facebook.txt