[Docs] Add logging doc (#39)

* first commit

* add logging doc

* add logging doc

* Fix lint

* Fix typo

* add logging

* update docs

* update logging.md

* update logging.md

* scale img

* update logging docs

* Fix as comment

* Fix as comment

* Fix as comment

* Fix as comment

Fix as comment

* add introduction to current=True

* Fix as comment

Fix as comment

* Fix as comment

* Fix as comment