add bernoulli module (#5353)

* add bernoulli module

* fix doc test

* add bernoulli functor

* make changes according to review

* refine (#5415)

* fix

Co-authored-by: Bowen Chen <bob2420083992@gmail.com>
Co-authored-by: oneflow-ci-bot <69100618+oneflow-ci-bot@users.noreply.github.com>