Extended Archimedean Spiral Module

While designing a pancake-primary mounting fixture for a Musical Tesla Coil, I needed to generate an Archimedean Spiral to simulate the location of the primary wire in the fixture. I found the [Archimedean Spiral Module](https://www.thingiverse.com/thing:1267784) here on Thingiverse and it was a great starting point. However, it only starts at an initial radius of 0 and only lets you specify the final radius, which led to wrong spacing and positioning for my application.

Instead, I needed t