docs: qa

Author: kozistr

docs/qa.md

@@ -7,3 +7,7 @@
 ## Q2) Memory leak happens when using SophiaH, AdaHessian optimizers.
 
 `torch.autograd.grad` with complex gradient flows sometimes leads memory leak issues, and you might encounter OOM issue. [related issue](https://github.com/kozistr/pytorch_optimizer/issues/278)
+
+## Q3) How to run visualizations?
+
+Run `python3 -m examples.visualize_optimizers` on the project root.