Add documentation for recent functions

enkou-shaders/src/camera.rs

@@ -90,11 +90,13 @@ impl Camera {
     }
 }
 
+/// Shader entry point for running the camera transformation over a list of IFS coordinates
 pub mod entry {
     use crate::camera::Camera;
     use spirv_std::glam::{IVec2, Vec2};
     use spirv_std::spirv;
 
+    /// Transform IFS coordinates to pixel coordinates
     #[spirv(compute(entry_point_name = "main_camera", threads(1)))]
     pub fn main_camera(
         #[spirv(storage_buffer, descriptor_set = 0, binding = 0)] camera: &Camera,