Add daily/weekly systemd timer setup

roles/arch/templates/timer/weekly_target.j2

@@ -0,0 +1,10 @@
+# {{ ansible_managed }} {{ ansible_date_time.time }} {{ ansible_date_time.date }}
+#
+# Add the following to your service unit to make use of this target:
+# Wants=weekly.target
+#
+# Or symlink the unit file to the weekly.target.wants directory manually
+
+[Unit]
+Description=Weekly timer target
+Requires=multi-user.target