Screen Space 3D Lights addon

A new version of the Screen Space 3D Lights addon. Remember that these lights are all placed in screen space, NOT world space, so as the view changes, the light locations and directions will change in world space. So it works for some cases, but not for all.

The new version now has:

- Spotlight, spotlight direction, spotlight width and edge gradation.

- 7 Possible light sources, with enable per light

- Brightness control per light

An example project is included, have fun!