Add cron stuff

sourcesautoupdate.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+workdir=$(dirname "$0")
+log=$workdir/app_sources_auto_update.log
+
+cd $workdir
+date >> $log
+git pull &>/dev/null
+cat cron | sed "s@__BASEDIR__@$workdir@g" > /etc/cron.d/app_list
+
+python3 tools/autoupdate_app_sources/autoupdate_app_sources.py --commit-and-create-PR &> $log || sendxmpppy "[appsourcesautoupdate] App sources auto-update failed miserably"