feat(docker): add cron service (aurblup + mkpkglists)

Normally, these scripts are used to update official providers
in the aurweb database along with archives that can be retrieved.

Run both of these scripts in a 5 minute cron job, to both reflect
the live instance database and production load.

Signed-off-by: Kevin Morris <kevr@0cost.org>

docker/scripts/install-deps.sh

@@ -8,7 +8,7 @@ pacman -Syu --noconfirm --noprogressbar \
     --cachedir .pkg-cache git gpgme nginx redis openssh \
       mariadb mariadb-libs cgit-aurweb uwsgi uwsgi-plugin-cgi \
       php php-fpm memcached php-memcached python-pip pyalpm \
-      python-srcinfo curl libeatmydata
+      python-srcinfo curl libeatmydata cronie
 
 # https://python-poetry.org/docs/ Installation section.
 curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python -

docker/scripts/run-cron.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+cd /aurweb
+aurweb-aurblup
+aurweb-mkpkglists
+
+exec /usr/bin/crond -n