Binder links to itables in Jupyter Lab (#38)

* Add a default_setting_overrides.json

* Binder Notebook & JupyterLab

* Use the same binder instruction as for Jupytext

* Link to Jupyter Lab rather than Notebook

Author: mwouts

README.md

@@ -5,7 +5,8 @@
 [![codecov.io](https://codecov.io/github/mwouts/itables/coverage.svg?branch=main)](https://codecov.io/github/mwouts/itables?branch=main)
 [![Language grade: Python](https://img.shields.io/lgtm/grade/python/g/mwouts/itables.svg)](https://lgtm.com/projects/g/mwouts/itables/context:python)
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
-[![Binder](https://img.shields.io/badge/Binder-Notebook-blue.svg)](https://mybinder.org/v2/gh/mwouts/itables/main?urlpath=lab/tree/README.md)
+[![Notebook](https://img.shields.io/badge/Binder-Notebook-blue.svg)](https://mybinder.org/v2/gh/mwouts/itables/main?filepath=README.md)
+[![Lab](https://img.shields.io/badge/Binder-JupyterLab-blue.svg)](https://mybinder.org/v2/gh/mwouts/itables/main?urlpath=lab/tree/README.md)
 <a class="github-button" href="https://github.com/mwouts/itables" data-icon="octicon-star" data-show-count="true" aria-label="Star mwouts/itables on GitHub">Star</a>
 
 Turn pandas DataFrames and Series into interactive [datatables](https://datatables.net) in both your notebooks and their HTML representation with `import itables.interactive`:
@@ -50,7 +51,7 @@ df = wb.get_countries()
 df
 ```
 
-You don't see any table above? Please either open the [HTML export](https://mwouts.github.io/itables/) of this notebook, or run this README on [Binder](https://mybinder.org/v2/gh/mwouts/itables/main?filepath=README.md)!
+You don't see any table above? Please either open the [HTML export](https://mwouts.github.io/itables/) of this notebook, or run this README on [Binder](https://mybinder.org/v2/gh/mwouts/itables/main?urlpath=lab/tree/README.md)!
 
 
 Or display just one series or dataframe as an interactive table with the `show` function.

binder/labconfig/default_setting_overrides.json

@@ -0,0 +1,13 @@
+{
+  "@jupyterlab/docmanager-extension:plugin": {
+    "defaultViewers": {
+      "markdown": "Jupytext Notebook",
+      "myst": "Jupytext Notebook",
+      "r-markdown": "Jupytext Notebook",
+      "quarto": "Jupytext Notebook",
+      "julia": "Jupytext Notebook",
+      "python": "Jupytext Notebook",
+      "r": "Jupytext Notebook"
+    }
+  }
+}

binder/postBuild

@@ -3,3 +3,7 @@ set -e
 
 # Install from sources
 pip install .
+
+# Open .md notebooks with the Notebook editor
+mkdir -p ${HOME}/.jupyter/labconfig
+cp binder/labconfig/* ${HOME}/.jupyter/labconfig