* init a scenario for kaggle feature engineering
* fix some bugs and add original features' description
* refine the process of data downloading
* fix a error
* revert the code
* fix a bug in feedback
* fix a ci bug
* fix a ci bug
* scen
* scen2
* app
* fix
* Simplify workflow
* We can share more code in new scenarios
* rename model to rd loop
* Optimize data path
* Update rdagent/app/data_mining/model.py
* Add TODO
* Support GPU
* gpu
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Co-authored-by: SH-Src <suhan.c@outlook.com>