nodes/home.router: install cronjob to re-establish pppoe connection at night

nodes/home/router.py

@@ -25,6 +25,13 @@ nodes['home.router'] = {
         'backups': {
             'exclude_from_backups': True,
         },
+        'cron': {
+            # Our internet provider resets the connection if you're
+            # connected longer than 24 hours. We install this cronjob
+            # to make sure we don't get disconnected randomly during the
+            # day.
+            'restart_pppd': '23 2 * * *    root    systemctl restart pppoe',
+        },
         'iptables': {
             'custom_rules': [
                 'iptables_both -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT',