Add instructions for using VisualVM for simulation

[sciencewhiz]

The existing VisualVM documentation talks about how to modify build.gradle to profile a program on the roboRIO. It should also discuss how to connect to a process on the computer (ie simulation)

wpilibsuite/2025Beta#68 (reply in thread)
https://www.chiefdelphi.com/t/rio-1-out-of-memory-visualvm-crashes-the-code/458147/5