Apache: Add redirect from /tutorials/ to /getstarted.html
Apache: Add redirect from /tutorials/ to /getstarted.html

They are many hits on that URL, so make it return something useful
instead of a 404 (there is no index page in `/tutorials`).

rabbitmq/rabbitmq-website,rabbitmq/rabbitmq-website,rabbitmq/rabbitmq-website,rabbitmq/rabbitmq-website,rabbitmq/rabbitmq-website