feat: adding certbot renewal service and timer

etc/systemd/system/certbot-renewal.service

@@ -0,0 +1,6 @@
+[Unit]
+Description=Automatically renews SSL certificates obtained with certbot
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/certbot renew -q --post-hook /usr/local/bin/certbot-restart-nginx

etc/systemd/system/certbot-renewal.timer

@@ -0,0 +1,10 @@
+[Unit]
+Description=This is the timer schedule Automatic renewals of SSL certificates obtained with certbot
+
+[Timer]
+OnCalendar=daily
+RandomizedDelaySec=6hours
+Persistent=true
+
+[Install]
+WantedBy=timers.target

usr/local/bin/certbot-restart-nginx

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
+
+nginx -tq && systemctl restart nginx