Dev2049/add argilla callback (#5621)

Co-authored-by: Alvaro Bartolome <alvarobartt@gmail.com>
Co-authored-by: Daniel Vila Suero <daniel@argilla.io>
Co-authored-by: Tom Aarsen <37621491+tomaarsen@users.noreply.github.com>
Co-authored-by: Tom Aarsen <Cubiegamedev@gmail.com>

docs/integrations/argilla.md

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+# Argilla
+
+![Argilla - Open-source data platform for LLMs](https://argilla.io/og.png)
+
+>[Argilla](https://argilla.io/) is an open-source data curation platform for LLMs.
+> Using Argilla, everyone can build robust language models through faster data curation 
+> using both human and machine feedback. We provide support for each step in the MLOps cycle, 
+> from data labeling to model monitoring.
+
+## Installation and Setup
+
+First, you'll need to install the  `argilla` Python package as follows:
+
+```bash
+pip install argilla --upgrade
+```
+
+If you already have an Argilla Server running, then you're good to go; but if
+you don't, follow the next steps to install it.
+
+If you don't you can refer to [Argilla - 🚀 Quickstart](https://docs.argilla.io/en/latest/getting_started/quickstart.html#Running-Argilla-Quickstart) to deploy Argilla either on HuggingFace Spaces, locally, or on a server.
+
+## Tracking
+
+See a [usage example of `ArgillaCallbackHandler`](../modules/callbacks/examples/examples/argilla.ipynb).
+
+```python
+from langchain.callbacks import ArgillaCallbackHandler
+```