moved tasks to subfolder

roles/base/tasks/users/setup_ssh/install_known_hosts.yml

@@ -0,0 +1,9 @@
+---
+- name: users | {{ user }} | install known_hosts
+  copy:
+    dest: "{{ user_home }}/.ssh/known_hosts"
+    src: "users/known_hosts"
+    backup: true
+    mode: "0600"
+    owner: "{{ user }}"
+    group: "{{ user }}"