Added documentation for DagsHubCallback (#21452)

updated documentation

docs/source/en/main_classes/callback.mdx

@@ -38,6 +38,7 @@ By default a [`Trainer`] will use the following callbacks:
 - [`~integrations.CodeCarbonCallback`] if [codecarbon](https://pypi.org/project/codecarbon/) is
   installed.
 - [`~integrations.ClearMLCallback`] if [clearml](https://github.com/allegroai/clearml) is installed.
+- [`~integrations.DagsHubCallback`] if [dagshub](https://dagshub.com/) is installed.
 
 The main class that implements callbacks is [`TrainerCallback`]. It gets the
 [`TrainingArguments`] used to instantiate the [`Trainer`], can access that
@@ -76,6 +77,8 @@ Here is the list of the available [`TrainerCallback`] in the library:
 
 [[autodoc]] integrations.ClearMLCallback
 
+[[autodoc]] integrations.DagsHubCallback
+
 ## TrainerCallback
 
 [[autodoc]] TrainerCallback

src/transformers/integrations.py

@@ -1053,7 +1053,7 @@ class MLflowCallback(TrainerCallback):
 
 class DagsHubCallback(MLflowCallback):
     """
-    A [`TrainerCallback`] that logs to [DagsHub](https://dagshub.com/).
+    A [`TrainerCallback`] that logs to [DagsHub](https://dagshub.com/). Extends [`MLflowCallback`]
     """
 
     def __init__(self):
@@ -1070,7 +1070,7 @@ class DagsHubCallback(MLflowCallback):
         Setup the DagsHub's Logging integration.
 
         Environment:
-            HF_DAGSHUB_LOG_ARTIFACTS (`str`, *optional*):
+        - **HF_DAGSHUB_LOG_ARTIFACTS** (`str`, *optional*):
                 Whether to save the data and model artifacts for the experiment. Default to `False`.
         """