* add add_figure for LogWriter

* format code

* update date
Co-authored-by: ShenYuhan <yhan_shen@163.com>

* style: add python lint & pre-commit

* style: use pre-commit to lint fe codes

* fix: show raw shape of tensor in high-dimensional chart

* feat: implement random sampling in high-dimensional chart

* feat: add fog in scatter chart

* feat: focus hovered point in high-dimensional chart

* chore: hide unfulfilled features

* chore: update dependencies

* fix: fix lost import

* style: fix style lint

* chore: fix typo

* bump 2.1.0