Backend (lavie): Text to video

[mudler]

https://github.com/Vchitect/LaVie

[github-actions]

This issue is stale because it has been open 90 days with no activity. Remove stale label or comment or this will be closed in 5 days.

[github-actions]

This issue was closed because it has been stalled for 5 days with no activity.