Add STG to community pipelines (#10960)
* Support STG for video pipelines
* Update README.md
* Update README.md
* Update README.md
* Update README.md
* Update README.md
* Update README.md
* Update pipeline_stg_cogvideox.py
* Update pipeline_stg_hunyuan_video.py
* Update pipeline_stg_ltx.py
* Update pipeline_stg_ltx_image2video.py
* Update pipeline_stg_mochi.py
* Update pipeline_stg_hunyuan_video.py
* Update pipeline_stg_ltx.py
* Update pipeline_stg_ltx_image2video.py
* Update pipeline_stg_mochi.py
* update
* remove rescaling
* Apply style fixes
---------
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
