Add a unpacker recipe for transformers

[truepurpledino]

All energy hatches have a way to be recycled in a unpacker, but transformers are weirdly an exception. A unpacker recipe that gives back most cables and more importantly the hull would make for a good quality of life feature.

[TheStaticVoid]

Unpacker isn't going to work for this since there are three items that go into making a transformer and the unpacker only has two output slots. I'll add an assembler recipe for these