install pihole to fix failing duckdns name servers

ansible/requirements.yml

@@ -3,8 +3,9 @@ roles:
 - name: geerlingguy.docker
 
 collections:
-- name: community.general
-- name: community.docker
 - name: ansible.posix
+- name: community.crypto
+- name: community.docker
+- name: community.general
 - name: kubernetes.core
 - name: git+https://github.com/k3s-io/k3s-ansible.git