Docs fix argilla imports (#541)

* docs: update documentation for huggingface inference endpoints.

* fix: fix fences add mock model_id for trying

* fix: fix TextGenerationToArgilla imports in docs

docs/sections/learn/steps/argilla.md

@@ -27,7 +27,7 @@ The dataset will be pushed with the following configuration:
 
 ```python
 from distilabel.llms import OpenAILLM
-from distilabel.steps import LoadDataFromDicts, PreferenceToArgilla
+from distilabel.steps import LoadDataFromDicts, TextGenerationToArgilla
 from distilabel.steps.tasks import TextGeneration