Add Trident to the Firing Range

Thanks for the post sashazyryanov​!

You may be able to take the Trident for a spin in Bot Royale (depending on the map in rotation) for a slightly more relaxed time to test things out than a normal match, though it's definitely always nice to be able to fully test things in a more calm and controlled environment like the Firing Range. 

We regularly pass along feedback even if we can't always post in each thread, but I did want to give this thread a bump to add in that Bot Royale option in the meantime as well. Thanks again for the suggestion!