Add Jupyter integration to the docs (#5403)

## Summary

Add Jupyter integration to the docs, specifically the Configuration and
FAQ sections.

## Test Plan

`mkdocs serve` and check that the new sections are visible and
functional.

fixes: #5396

docs/configuration.md

@@ -328,6 +328,24 @@ By default, Ruff will also skip any files that are omitted via `.ignore`, `.giti
 Files that are passed to `ruff` directly are always linted, regardless of the above criteria.
 For example, `ruff check /path/to/excluded/file.py` will always lint `file.py`.
 
+## Jupyter Notebook discovery
+
+Ruff has built-in experimental support for linting [Jupyter Notebooks](https://jupyter.org/).
+
+To opt in to linting Jupyter Notebook (`.ipynb`) files, add the `*.ipynb` pattern to your
+[`include`](settings.md#include) setting, like so:
+
+```toml
+[tool.ruff]
+include = ["*.py", "*.pyi", "**/pyproject.toml", "*.ipynb"]
+```
+
+This will prompt Ruff to discover Jupyter Notebook (`.ipynb`) files in any specified
+directories, and lint them accordingly.
+
+Alternatively, pass the notebook file(s) to `ruff` on the command-line directly. For example,
+`ruff check /path/to/notebook.ipynb` will always lint `notebook.ipynb`.
+
 ## Rule selection
 
 The set of enabled rules is controlled via the [`select`](settings.md#select) and

docs/faq.md

@@ -309,7 +309,23 @@ src = ["../src", "../test"]
 
 ## Does Ruff support Jupyter Notebooks?
 
-Ruff is integrated into [nbQA](https://github.com/nbQA-dev/nbQA), a tool for running linters and
+Ruff has built-in experimental support for linting [Jupyter Notebooks](https://jupyter.org/).
+
+To opt in to linting Jupyter Notebook (`.ipynb`) files, add the `*.ipynb` pattern to your
+[`include`](settings.md#include) setting, like so:
+
+```toml
+[tool.ruff]
+include = ["*.py", "*.pyi", "**/pyproject.toml", "*.ipynb"]
+```
+
+This will prompt Ruff to discover Jupyter Notebook (`.ipynb`) files in any specified
+directories, and lint them accordingly.
+
+Alternatively, pass the notebook file(s) to `ruff` on the command-line directly. For example,
+`ruff check /path/to/notebook.ipynb` will always lint `notebook.ipynb`.
+
+Ruff also integrates with [nbQA](https://github.com/nbQA-dev/nbQA), a tool for running linters and
 code formatters over Jupyter Notebooks.
 
 After installing `ruff` and `nbqa`, you can run Ruff over a notebook like so: