Can provide some tutorials or scripts for using Flight Recorder？

[Qizhi697]

cc @wconstab @osalpekar @H-Huang @kwen2501 @XilunWu @awgu @wanchaol @fegin @fduwjj @wz337 @d4l3k @c-p-i-o @svekars @brycebortree

[c-p-i-o]

Sorry about the delay here:

Documentation for flight recorder is here: https://pytorch.org/tutorials/prototype/flight_recorder_tutorial.html

[fegin]

@svekars Can we close the issue since we already provided the document?