misc/ssh_tg_notify: Add comments for sections

roles/misc/ssh_tg_notify/templates/notify.sh

@@ -21,7 +21,9 @@ if [[ "$PAM_SERVICE" == "sshd" && "$PAM_TYPE" == "open_session" && "$PAM_USER" !
     if (( cache_mtime > (current_time - 4*60*60) )); then
         exit 0
     fi
+    # define message text
     HOSTNAME=$(hostname --fqdn)
     TEXT="Successful login from [$IP](https://stat.ripe.net/app/$IP) for ${PAM_USER} @ ${HOSTNAME} ($(date "+%Y-%m-%d %H:%M"))"
+    # send to root
     sendMessage "$USERID" "$TEXT"
 fi