ADD: push checkpoints to mlflow artifact registry (#1295) [skip ci]

* Add checkpoint logging to mlflow artifact registry

* clean up

* Update README.md

Co-authored-by: NanoCode012 <kevinvong@rocketmail.com>

* update pydantic config from rebase

---------

Co-authored-by: NanoCode012 <kevinvong@rocketmail.com>
Co-authored-by: Wing Lian <wing.lian@gmail.com>

src/axolotl/utils/config/models/input/v0_4_1/__init__.py

@@ -305,6 +305,7 @@ class MLFlowConfig(BaseModel):
     use_mlflow: Optional[str] = None
     mlflow_tracking_uri: Optional[str] = None
     mlflow_experiment_name: Optional[str] = None
+    hf_mlflow_log_artifacts: Optional[bool] = None
 
 
 class WandbConfig(BaseModel):

src/axolotl/utils/mlflow_.py

@@ -7,7 +7,7 @@ from axolotl.utils.dict import DictDefault
 
 def setup_mlflow_env_vars(cfg: DictDefault):
     for key in cfg.keys():
-        if key.startswith("mlflow_"):
+        if key.startswith("mlflow_") or key.startswith("hf_mlflow_"):
             value = cfg.get(key, "")
 
             if value and isinstance(value, str) and len(value) > 0: