Apple ][ Q-60B power supply holder

As I wasn't satisfied by the design of [Asshen's bracket](https://www.thingiverse.com/thing:3356019) to fix a Q-60B power supply into an Apple ][ I chose to make may own system. It's not a remix since the only common point is the Q-60B power supply.

For the power plug I chose a product that also include a switch and a fuse. Sadly this product's size is a bit to big for whole of the computer case and I had to let a small void between its support and the case. I reduced it in the published thin