GitLab

* ring attn & comm

* ring-attn

* ring attn

* ring attn & unit test

* ring attn

* pre-commit reformat

* Update run_wan_i2v.sh

* Update attn.py

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Co-authored-by: “huangxinchi” <“huangxinchi@sensetime.com”>
Co-authored-by: “de1star” <“843414674@qq.com”>
Co-authored-by: gushiqiao <gushiqiao@sensetime.com>
Co-authored-by: Yang Yong(雍洋) <yongyang1030@163.com>

* [minor]: optimize dockerfile for fewer layer

* [feature]: add pre-commit lint, update readme for contribution guidance

* [minor]: fix run shell privileges

* [auto]: first lint without rule F, fix rule E

* [minor]: fix docker file error

Co-authored-by: gushiqiao <gushiqiao@sensetime.com>