Assets [Subscene] Interactive SciFi fucking machine

A big update, bringing you:

• A new UI, taking advantage of VAMCUI by @hazmhox. It looks like it was made just for this machine!
• The ability to change dildos and their sizes in the "Machines" section
• The ability to rotate the machine, in the "Customize" section
• A new milking tool. Be warned: it's not perfect and milking is quite messy!

New dependency required: VAMCUI.