GitLab

* Update requirements.txt

* Update environment.yaml

* Update README.md

* Update environment.yaml

* Update README.md

* Update README.md

* Delete requirements_colossalai.txt

* Update requirements.txt

* Update README.md

* [examples/images/diffusion]: README.md: typo fixes

* Update README.md

* Grammar fixes

* Reformulated "Step 3" (xformers) introduction

to the cost => at the cost + reworded pip availability.

s/0.12.0/0.0.12/

Co-authored-by: YuliangLiu0306 <72588413+YuliangLiu0306@users.noreply.github.com>

* Update requirements.txt

* Update environment.yaml

* Update README.md

* Update environment.yaml

* Update README.md

* Update README.md

* Delete requirements_colossalai.txt

* Update requirements.txt

* Update README.md

* Update requirements.txt

* Update environment.yaml

* Update README.md

* Update environment.yaml

* [doc] update contribution guide

* [doc] update contribution guide

* [doc] add community contribution guide

1. Modify the README of stable diffusion
2. Fix the version of pytorch lightning&lightning and colossalai version to enable codes running successfully.

* [workflows]bug_repair

* [workflow]new_pr_fixing_bugs
Co-authored-by: binmakeswell <binmakeswell@gmail.com>

* [doc] update link

* [doc] updated the stable diffussion on docker usage

* polish doc

* [builder] builder for scaled_upper_triang_masked_softmax

* add missing files

* fix a bug

* polish code

* [example] diffusion install from docker