Add utility scripts

This commit adds a new utility script and makes sure that it is mounted
inside the containers.

distillery/utils/blind_update.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# This utility script can be used to blindly update all dependencies to their latest versions. 
+# It does not perform any checking whatsoever. 
+
+cd /var/www/data/project || exit 1
+
+# composer install updates
+chmod u+rw web/sites/default/
+composer update
+
+# update the dabatabase
+drush -y updatedb