Merge pull request #72 from linuxserver/bionic-custom

secure custom folders

root/etc/cont-init.d/90-custom-folders

+#!/usr/bin/with-contenv bash
+
+# create custom folders and secure permissions
+mkdir -p /config/{custom-cont-init.d,custom-services.d}
+chown -R 0:0 /config/{custom-cont-init.d,custom-services.d}