Introduce the mobilizon_ctl wrapper to easily call tasks inside releases

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

docker/production/docker-entrypoint.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+set -e
+
+echo "-- Running migrations..."
+/bin/mobilizon_ctl migrate
+
+echo "-- Starting!"
+exec /bin/mobilizon start