Update todo

Author: lucascompython

README.md

@@ -8,3 +8,4 @@ This project also used this [template](https://github.com/kaphula/winit-egui-wgp
 - Improve performance, especially startup time
 - Add more settings and values to tinker with in the simulation
 - Add 2D version, rewrite [this](https://github.com/lucascompython/particles) in wgpu
+- Add more color profiles