misc/system_user: Allowed configuring user directory parameters

roles/misc/system_user/defaults/main.yml

@@ -3,3 +3,6 @@
 # system_user
 user_shell_binary: "/bin/false"
 # user_directory
+user_directory_owner: "{{ system_user }}"
+user_directory_group: "{{ system_user }}"
+user_directory_mode: "u=rwx,g=rx,o="

roles/misc/system_user/tasks/main.yml

@@ -12,6 +12,6 @@
   file:
     path: "{{ user_directory }}"
     state: directory
-    owner: "{{ system_user }}"
-    group: "{{ system_user }}"
-    mode: "u=rwx,g=rx"
+    owner: "{{ user_directory_owner }}"
+    group: "{{ user_directory_group }}"
+    mode: "{{ user_directory_mode }}"