Added suggestions

suggestions_for_2022.txt

@@ -10,6 +10,8 @@ Monte Carlo lecture:
 * assignment one (monte carlo) should have a 2 light source test scene.
 * assignment one (monte carlo) should have 30+ in total if we ask for 15+ per assignment. More points for AO/light so that they give 15 together?
 
+* importance sampling: convert c++ code for disk simpling, fix transition to next slide
+
 Put somewhere: diffuse BRDF drops for same surface area with theta, only constant w.r.t. projected area
 Why does division by PDF work? consider p(x) prop. to f(x) --> p(x) = f(x)/integral(f(x)), f(x) / p(x) = f(x) / (f(x)/integral(f(x))) = integral(f(x))