Add chill-send-sms systemd service and timer

Introduced new systemd `chill-send-sms@.service` and `chill-send-sms@.timer` to schedule and execute SMS sending feature. Updated Ansible tasks to manage these units.

tasks/main.yml

@@ -72,6 +72,8 @@
   loop:
     - chill-cronjob@.service
     - chill-cronjob@.timer
+    - chill-send-sms@.service
+    - chill-send-sms@.timer
   loop_control:
     loop_var: file