* Add backend of MLflow Moldes component * Add front end of MLflow Moldes component * [DOC] update mlflow document * revert unnecessary * fix doc image url * Update docs/docs/en/guide/task/mlflow.md Discard the lr abbreviation Co-authored-by: Jiajie Zhong <zhongjiajie955@gmail.com> Co-authored-by: Jiajie Zhong <zhongjiajie955@gmail.com>