* support prroipooling
* fix build bug
* fix bug of precision
* fix lint
* add ut
* add license and citation
* polish op and add type hint
* refactor ut
* add docstring for prroipool
* polish code
* format cu and cuh code
* fix format
* fix format
* fix typo
Co-authored-by: zhouzaida <zhouzaida@163.com>
Co-authored-by: Zaida Zhou <58739961+zhouzaida@users.noreply.github.com>
