refactor: split control plane role into init/join/copy tasks

ansible/roles/kubernetes_control_plane/tasks/copy-config.yaml

@@ -1,4 +1,5 @@
-- name: Copy Kubernetes Admin configuration
+- name: Setup Kubernetes admin config for root user
+  become: true
   block:
     - name: Ensure .kube directory
       ansible.builtin.file:
@@ -7,7 +8,7 @@
         owner: "{{ ansible_facts['user_id'] }}"
         group: "{{ ansible_facts['user_id'] }}"
         mode: "0755"
-    - name: Copy Admin configuration
+    - name: Copy admin configuration
       ansible.builtin.copy:
         src: /etc/kubernetes/admin.conf
         dest: "{{ ansible_facts['env']['HOME'] }}/.kube/config"